Intracytoplasmic Sperm Injection Outcomes Research Articles

O-195 Decreased embryo developmental potential and lower cumulative pregnancy rate in males with multiple morphological abnormalities of the sperm flagella

Abstract Study question Is there any association between the multiple morphological abnormalities of the sperm flagella (MMAF) patients and the comprehensive outcomes of assisted reproductive technology (ART) cycles? Summary answer Patients with MMAF presented compromised ART outcomes, including lower embryo developmental potential and impaired clinical outcomes, compared with the cohort of oligoasthenospermia. What is known already Several studies have reported a positive intracytoplasmic sperm injection (ICSI) outcome in the MMAF cohort, and others have opposite opinions. The association between MMAF and ART outcomes is still controversial and open for debate. Furthermore, the neonatal outcomes and the information regarding the mutations of MMAF patients were incomplete. Study design, size, duration A retrospective cohort study of MMAF patients was performed at a reproductive medicine center in China between January 2014 and July 2022. Participants/materials, setting, methods Thirty-eight MMAF individuals were recruited based on a typical MMAF phenotype (abnormal sperm flagella, including short, absent, coiled, bent, and/or irregular flagella) and 131 couples with male infertility undergoing in vitro fertilization (IVF)/ICSI treatments over the same period were included as the control pool. Whole exome sequencing (WES) was performed to confirm the genetic pathogenesis of MMAF. Main results and the role of chance Pathogenic variants in known genes of DNAH1, DNAH11, CFAP43, FSIP2, and SPEF2 were identified in MMAF patients. The ART outcomes, including the fertilization rate, 2PN cleavage rate, blastocyst formation rate, and available blastocyte rate, were all significantly lower in the MMAF group than those in the control group (P<0.05). Moreover, the CLPR in the MMAF group was lower than that in the control group according to the embryo transfer times (68.6% vs. 86.5%, P=0.033) and complete cycles (66.7% vs. 84.2%, P=0.020), while no significant differences were found in the neonatal outcomes. Limitations, reasons for caution The sample size was limited due to the low incidence of MMAF and WES was not performed in all MMAF patients. Further exploration of the potential genetic mutations or underlying mechanisms in patients without identified mutations was needed. Moreover, long-term follow-up of neonates needs to be addressed in the future. Wider implications of the findings The current study identified the causative genetic mutations which were partly obligated to the pathogenesis of MMAF and presented the relationship between MMAF and compromised ART outcomes. These results may provide evidence support for clinicians in genetic counseling and clinical instruction in specific MMAF patients. Trial registration number the National Key Research & Development Program of China (2021YFC2700603)

In vitro effect of granulocyte-macrophage colony-stimulating factor (GM-CSF) on the expression of genes related to sperm motility and energy metabolism and intracytoplasmic sperm injection outcomes in obstructive azoospermic patients.

The presence of granulocyte-macrophage colony-stimulating factor (GM-CSF) and its receptor in various testicular cells and spermatozoa suggests a potential role in enhancing spermatogonial and postmeiotic cell development. Moreover, GM-CSF activates the pivotal pathways implicated in sperm motility regulation and glucose metabolism. However, the impact of GM-CSF on testicular biopsies from patients with obstructive azoospermia (OA) remains unexplored. Therefore, this study aimed to investigate the in vitro effects of GM-CSF on the expression of genes related to glucose transporters and signaling pathways, sperm motility, and viability in testicular biopsies. Following testicular sperm extraction from 20 patients diagnosed with OA, each sample was divided into two parts: the experimental samples were incubated with medium containing 2ng/ml GM-CSF at 37°C for 60min, and the control samples were incubated with medium without GM-CSF. Subsequently, the oocytes retrieved from the partner were injected with sperm from the treatment and control groups. The sperm parameters (motility and viability), the expression levels of sperm motility-related genes (PIK3R1, PIK3CA, and AKT1), and the expression levels of sperm energy metabolism-related genes (GLUT1, GLUT3, and GLUT14) were assessed. Furthermore, the fertilization and day 3 embryo development rate and embryo quality were evaluated. Compared with those in the nontreated group, the motility parameters and the mRNA expression levels of PIK3R1, AKT1, and GLUT3 in testicular sperm supplemented with GM-CSF were significantly greater (p < 0.05). However, no significant differences in the mRNA expression of PIK3CA, GLUT1, or GLUT14 were detected. According to the ICSI results, compared with the control group, the GM-CSF treatment group exhibited significantly greater fertilization rates (p = 0.027), Day 3 embryo development rate (p = 0.001), and proportions of good-quality embryos (p = 0.002). GM-CSF increased the expression of genes related to motility and the energy metabolism pathway and effectively promoted the motility of testis-extracted spermatozoa, consequently yielding positive clinical outcomes.

Effect of sperm treatment with lysolecithin on in vitro outcomes of equine intracytoplasmic sperm injection

Intracytoplasmic sperm injection (ICSI) in horses is currently employed for clinical and commercial uses, but the protocol could be optimized to improve its efficiency. We have hypothesized that destabilization of plasma and acrosomal membranes prior to injection would positively impact the developmental potential of equine zygotes generated by ICSI. This study evaluated effects of the sperm treatment with lysolecithin on plasma and acrosomal membranes and on oocyte activation ability, initially following heterologous ICSI on bovine oocytes and subsequently employing equine oocytes. The effects of the lysolecithin -treatment on the efficiency of conventional and piezo-assisted equine ICSI were evaluated. To do this, the equine sperm were treated with different concentrations of lysolecithin and the sperm plasma membrane, acrosome and DNA integrity were evaluated by flow cytometry. The results showed that a lysolecithin concentration of 0.08 % destabilized the membranes of all sperm and affected DNA integrity within the range described for the species (8–30 %). In addition, the heterologous ICSI assay showed that lysolecithin treatment was detrimental to the sperm's ability to activate the oocyte, therefore, chemical oocyte activation was used after equine ICSI after injection with lysolecithin -treated sperm. This group showed similar developmental rate to the control group with and without exogenous activation. In conclusion, lysolecithin pre-treatment is not necessary when using ICSI to produce equine embryos in vitro. The results from the current study provide additional insight regarding the factors impacting ICSI in horses.

Predictors of Pregnancy Outcome for Libyan Infertile Women Underwent Intracytoplasmic Sperm Injection Cycle at Tripoli Infertility Center

Intracytoplasmic Sperm Injection (ICSI) is a crucial treatment approach in assisted reproduction technology (ART) for infertility clinics. However, low pregnancy rates in ICSI cycles are a problem. Despite its potential, ICSI can be expensive, time-consuming, and cause concerns about gametes and newborn health. The study aims to identify factors predicting pregnancy rates among infertile couples undergoing Intracytoplasmic Sperm Injection cycle at Tripoli Infertility Center in Libya. This retrospective study reviewed all infertile couples' medical files at the Infertility Tripoli Centre from January to December 2023. A structured case sheet was used to collect data on female patients' age, causes of infertility, duration of infertility, previous pregnancy, antral follicles count, endometrial thickness, number of embryos transferred, and pregnancy outcomes. The study was divided into two groups based on pregnancy test results. Statistical analysis involved simple descriptive statistics, Chi square, and independent sample t-test. This study involved 90 women, with 35.6% having a positive pregnancy test. The pregnancy rate was 59.4% in women under 35, and decreased to 9.4% in those 40 or older. No significant differences were found in infertility duration or previous pregnancy (all P &gt; 0.05). Partner analysis revealed that 64.2% had asthenospermia, while endocrinopathies were reported by 41.8% of women. No significant differences were found in antral follicle count, endometrial thickness, oocyte number, or quality between pregnant and non-pregnant women (all P &gt; 0.05). Our findings suggest that Maternal age has a significant impact on the success of ICSI, with advanced age in women negatively affecting ICSI outcomes.

Association between embryo morphokinetic development and intracytoplasmic sperm injection with epididymal sperm via time-lapse imaging.

The objective of this study was to investigate the impact of sperm source on embryo morphokinetics and the clinical outcomes of intracytoplasmic sperm injection (ICSI) cycles by considering the clustering of data (multiple embryos per patient that share a comparable developmental timing). This matched cohort study was performed at a private university-affiliated in vitro fertilization center. Women who underwent ICSI with epididymal sperm between January 2019 and December 2020 (the percutaneous epididymal sperm aspiration group, n = 32 cycles) were matched with women who underwent ICSI with ejaculated sperm because of idiopathic male factor infertility (the male factor infertility [MFI] group, n = 32 cycles) or female infertility (the control group, n = 32 cycles). Embryos were cultured in a time-lapse imaging incubator, and morphokinetic development was recorded and compared among the groups. Significantly slower divisions were observed in embryos derived from epididymal sperm than in those derived from the MFI and control groups. Embryos derived from epididymal sperm had a significantly lower KIDScore (3.1 ± 0.2) than did those derived from ejaculated spermatozoa from the MFI (5.4 ± 0.1) and control (5.6 ± 0.2, p < 0.001) groups. Epididymal sperm-derived embryos showed a significantly greater occurrence of multinucleation (23.2%) than did those derived from ejaculated sperm from the MFI and control groups (2.8% and 3.7%, p < 0.001, respectively). Epididymal sperm-derived embryos were significantly more likely to undergo direct or reverse cleavage (11.1%) than ejaculated sperm-derived embryos in the control group (4.3%, p = 0.001). In conclusion, delayed cell cleavage and increased incidences of blastomere multinucleation and abnormal cleavage patterns are observed when epididymal-derived sperm are used for ICSI.

The impact of SARS-CoV-2 mRNA vaccine on intracytoplasmic sperm injection outcomes at a fertility center in Iraq: A prospective cohort study.

Coronavirus disease 2019 (COVID-19) is a major public health problem that requires preventative vaccines. However, there is vaccine hesitancy among women of reproductive age in Iraq. This study aimed to investigate SARS-CoV-2 vaccination effects on intracytoplasmic sperm injection (ICSI) and related fertility parameters. The study population comprised 54 infertile patients undergoing the ICSI procedure at a fertility clinic: vaccinated (n = 17) and non-vaccinated (n = 37). SARS-CoV-2-IgG/mL was assayed in follicular fluid from patients. Fertility parameters were assessed using oocyte and embryo quality and pregnancy outcomes between study groups, with respect to the time interval from vaccination to ova pick up. There were no significant differences between non-vaccinated and vaccinated groups in respect of oocytes quality with regard to the mean number of picked up oocytes (p = 0.564), abnormal oocyte (p = 0.827), oocytes metaphase I and II (p = 0.306; p = 0.165), germinal vesicles (p = 0.076), grade I, II, and III fertilized oocytes (p > 0.05), and for maturation rate (p = 0.13). There were also no significant differences (p > 0.05) in embryo quality parameters with the mean number of grade I, II, and III fertilized oocytes and the fertilization rate, the number of transferred embryo (0.086). There were no significant differences between vaccinated and unvaccinated groups with respect to follicular fluid SARS-CoV-2-IgG (p = 0.854), and pregnancy outcomes (p = 0.550). The COVID-19 mRNA vaccine has no effect on ICSI, fertility parameters, and pregnancy outcome.

Decreased embryo developmental potential and lower cumulative pregnancy rate in men with multiple morphological abnormalities of the sperm flagella.

Multiple morphological abnormalities of the sperm flagella (MMAF) is characterized by abnormal flagellar phenotypes, which is a particular kind of asthenoteratozoospermia. Previous studies have reported a comparable intracytoplasmic sperm injection (ICSI) outcome in terms of fertilization rate and clinical pregnancy rate in patients with MMAF compared with those with no MMAF; however, others have conflicting opinions. Assisted reproductive technology (ART) outcomes in individuals with MMAF are still controversial and open to debate. A total of 38 patients with MMAF treated at an academic reproductive center between January 2014 and July 2022 were evaluated in the current retrospective cohort study and followed up until January 2023. Propensity score matching was used to adjust for the baseline clinical characteristics of the patients and to create a comparable control group. The genetic pathogenesis of MMAF was confirmed by whole exome sequencing. The main outcomes were the embryo developmental potential, the cumulative pregnancy rate (CLPR), and the cumulative live birth rate (CLBR). Pathogenic variants in known genes of DNAH1, DNAH11, CFAP43, FSIP2, and SPEF2 were identified in patients with MMAF. Laboratory outcomes, including the fertilization rate, 2PN cleavage rate, blastocyst formation rate, and available blastocyst rate, followed a trend of decline in the MMAF group (p < 0.05). Moreover, according to the embryo transfer times and complete cycles, the CLPR in the cohort of MMAF was lower compared with the oligoasthenospermia pool (p = 0.033 and p = 0.020, respectively), while no statistical differences were observed in the neonatal outcomes. The current study presented decreased embryo developmental potential and compromised clinical outcomes in the MMAF cohort. These findings may provide clinicians with evidence to support genetic counseling and clinical guidance in specific patients with MMAF.

Evaluation of Ovarian Response Indexes as Predictors to the Outcome of Intracytoplasmic Sperm Injection

Abstract Background: Knowing predictors of pregnancy in assistant reproductive technology, knowing of predictors of pregnancy is helpful for clinicians to individualize treatment 14 Plans and improve patient counseling, and for patients to decide whether to undergo infertility treatment. Therefore, it is important to evaluate ovarian reserve prediction indexes as an index to predict response to assistant reproductive technology. Objectives: To evaluate the ovarian reserve index (AMH*AFC/Age), taking into account the total number of MII oocytes retrieved and the quality of embryo obtained as well as the pregnancy rate. Materials and Methods: This study is designed as a cohort prospective study and was conducted in Al-Sadder Teaching Medical City, Al Najaf Province. Sixty couples were enrolled. The gynecological examination was performed on day 2 of the cycle (CD2): vaginal ultrasound (U/S) and blood tests for FSH, LH, AMH, estradiol (E2), serum prolactin, and thyroid function test. The ovarian response prediction index (OPRI) values were measured by multiplying the AMH serum level (ng/mL) by the number of antral follicles with a diameter of 2–9 mm and then dividing the result by the age of the subjects (years). Results: The current study showed that the pregnancy rate of the studied group was 33.33%. There was a significant difference between pregnant and nonpregnant women in their AMH level (P value was 0.004). ORPI was significantly higher in pregnant women than nonpregnant women. Binary logistic regression analysis shows that there was a significant positive correlation of ORPI and higher AMH, AFC, lower BMI, MII, oocytes, and embryo number. ROC curve shows that ORPI had an AUC of 1.00 at cutoff point 2, giving a sensitivity and specificity of 97% and 100%, respectively, and an AUC of 1.00 at a cutoff point 1, giving a sensitivity and specificity of 100% and 95%, respectively, which indicate that ORPI is an important predicting factor for ICSI success rate. Conclusion: ORPI was significantly higher in pregnant women than in the nonpregnant group; AMH was significantly higher in pregnant women than in the nonpregnant group. Women with higher AMH, AFC, and lower BMI are more likely to have higher ORPI.

(264) Outcome of Intra-Cytoplasmic Sperm Injection ICSI with Testicular Sperm Aspiration (TESA) In Patients with High Sperm DNA fragmentation, Hospital Experience

Abstract Introduction Sperm DNA fragmentation (SDF) is considered as an important biomarker in the assessment of male fertility potential with contradictory results regarding its effect on ICSI. In our study we focus on the outcomes of Intra-Cytoplasmic Sperm Injection (ICSI) in male patients with high SDF using testicular spermatozoa (TESA). Objective To evaluate intra- cytoplasmic sperm injection (ICSI) outcomes in male patients with high SDF using testicular spermatozoa and analysis of the cofactors (Age, Smoking, Chemical Exposure and usage of Anti-oxidants agents) Methods Retrospective study, institutional experience. Results In our study, we evaluated 41 men with high-SDF levels who had a previous ICSI cycle from their ejaculates. A subsequent ICSI cycle was performed using spermatozoa retrieved through testicular sperm aspiration. The mean (SD) SDF level is 33.7%. live birth rate was 29.2% (12 out of 41) In addition of that, we analyzed the cofactors of men such as Age, Smoking, Chemical Exposure and usage of Anti-oxidants agents. The mean age is 33 %. Men received anti oxidants agent prior to TESA were 9 out of 12 (75%) Conclusions Intra-cytoplasmic sperm injection (ICSI) outcomes in male patients with high SDF using testicular spermatozoa has higher clinical pregnancy and higher chance of live-birth. The rate is higher with those who received anti-oxidant supplements for at least 6 moths. Disclosure No.

Impact of mildly evaluated thyroid-stimulating hormone levels on in vitro fertilization or intracytoplasmic sperm injection outcomes in women with the first fresh embryo transfer: a large study from China.

This study aimed to investigate the association between mild elevation of thyroid-stimulating hormone (TSH) levels and pregnancy outcomes of in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) treatments in women with the first fresh embryo transfer. Large single-center retrospective cohort study of 15,728 patients from January 2018 to December 2022 were enrolled in the analyses. Clinical pregnancy rates, live birth rates, miscarriage rates, and ectopic pregnancy rates were compared between the TSH levels < 2.5 mIU/L group (N = 10,932) and TSH levels ≥ 2.5 mIU/L group (N = 4796). Subgroup analysis was performed for patients with TSH levels ≥ 2.5 mIU/L, dividing them into the thyroid peroxidase antibody (TPO)-negative group (N = 4524) and the TPO-positive group (N = 272). There were no significant differences in the aforementioned pregnancy outcomes between the TSH levels < 2.5 mIU/L group and TSH levels ≥ 2.5 mIU/L group. Similarly, no significant differences were observed in the pregnancy outcomes between the TPO-negative group and the TPO-positive group. Mildly elevated pre-conception TSH levels in thyroid-normal infertile patients did not have an impact on pregnancy outcomes of IVF/ICSI treatments.

Stress Biomarkers Transferred Into the Female Reproductive Tract by Seminal Plasma Are Associated with ICSI Outcomes.

This study aimed to determine whether male stress is related to seminal stress biomarkers and pregnancy achievement in women exposed to their partner's seminal plasma (SP) in the intracytoplasmic sperm injection (ICSI) cycle. In this pilot prospective study, 20 couples undergoing ICSI, as well as 5 fertile sperm donors and 10 saliva donors, were investigated. Women were exposed to their partner's SP via unprotected sexual intercourse during the ICSI cycle and intravaginal application on the day of ovum pick-up (Day-OPU). Semen samples were collected from male partners by masturbation on the Day-OPU. Saliva and serum samples were collected prior to masturbation. Body fluids were frozen at - 80°C until assayed. Biomarkers of activity of the sympathetic adrenomedullary axis (salivary alpha-amylase and adrenaline), sympathetic neural axis (noradrenaline and dopamine), hypothalamic-pituitary-adrenal (HPA) system (cortisol), and immune system (C-reactive protein and interleukin (IL)-18) were estimated to examine their association with SP composition and clinical pregnancy achievement. The clinical pregnancy rate was 45.0%. In the unsuccessful ICSI group, blunted levels of salivary and serum cortisol were found compared to the successful ICSI group and the fertile sperm donors. With regard to seminal markers, decreased cortisol level and elevated noradrenaline, noradrenaline/cortisol ratio, and lL-18 levels were strongly associated with ICSI failure (areas under the ROC curves were, 0.813, 0.848, 0.899, and 0.828, respectively). These findings confirm that stress response systems activity affects SP composition, which in turn is associated with ICSI outcomes in women exposed to their partner's SP during an ICSI cycle.

Sperm Preparation with Microfluidic Sperm Sorting Chip May Improve Intracytoplasmic Sperm Injection Outcomes Compared to Density Gradient Centrifugation.

Does sperm preparation using the FERTILE PLUS™ Sperm Sorting Chip improve fertilization rates, blastocyst formation, utilization, and euploidy rates in patients undergoing intracytoplasmic sperm injection (ICSI), compared with density gradient centrifugation (DGC)? A single-cohort, retrospective data review including data from 53 couples who underwent ICSI cycles within a 12-month period. For each couple, the two closest, consecutive cycles were identified, where one used the standard technique of sperm preparation (DGC) and the subsequent used FERTILE PLUS™, therefore, couples acted as their own controls. Paired samples t-test was used to compare means for the outcomes (fertilization, blastocyst formation, utilization, and euploidy rates). Binary logistic regression analysis assessed the relationship between female age, the presence of male factor infertility, and euploidy rates. Blastocyst, utilization, and euploidy rates were significantly higher for cycles using FERTILE PLUS™ compared to DGC (76% vs 56%, p = 0.002; 60% vs 41%, p = 0.005, and 40% vs 20%, p = 0.001, respectively). Although there was an increase in fertilization rates for cycles using FERTILE PLUS™, this was not significant (72% vs 68%, p = 0.449). The euploidy rates of females ≤ 35 years were significantly increased when the FERTILE PLUS™ sperm preparation method was used, compared to the older age group (OR 2.31, p = 0.007). No significant association was found between the presence or absence of male factor infertility and euploidy rates between the two cycles. This study provides tentative evidence that the FERTILE PLUS™ microfluidic sorting device for sperm selection can improve blastocyst formation, utilization, and euploidy rates following ICSI in comparison to the DGC method.

Timing of Testicular Biopsy in Relation to Oocyte Retrieval and the Outcomes of Intracytoplasmic Sperm Injection.

We evaluate microscopic (micro) testicular sperm extraction (TESE) timing relative to oocyte retrieval on intracytoplasmic sperm injection outcome. Couples with nonobstructive azoospermia who underwent intracytoplasmic sperm injection with freshly retrieved spermatozoa were analyzed based on whether micro-TESE was performed at least 1 day prior to oocyte retrieval (TESE-day-before group) or on the day of oocyte retrieval (TESE-day-of group). Embryology and clinical outcomes were compared. The percentage of patients who underwent a successful testicular sperm retrieval was significantly lower in the TESE-day-before cohort (62%) than in the TESE-day-of cohort (69%; odds ratio [OR] 1.4, 95% CI [1.1, 1.7], P < .001). The fertilization rate was also found to be significantly lower in the TESE-day-before group (45%) than in the TESE-day-of group (53%; OR 1.4, 95% CI [1.2, 1.7], P = .01). Although the association between the cleavage rate and TESE timing was not statistically significant, the implantation rate was found to be significantly higher in the day-before cohort (28%) than in the day-of cohort (22%; OR 0.7, 95% CI [0.6, 0.9], P = .01). Nevertheless, it was found that the clinical pregnancy and delivery rates were not statistically significantly associated with the TESE timing. Although sperm retrieval and fertilization rates were lower in the TESE-day-before cohort, the 2 cohorts showed comparable embryologic and clinical outcomes. Micro-TESE can be performed before oocyte harvesting to provide physicians ample time to decide between cancelling oocyte retrieval or retrieving oocytes for cryopreservation.

Hashimoto’s Thyroiditis Negatively Influences Intracytoplasmic Sperm Injection Outcome in Euthyroid Women on T4 Substitution Therapy: A Retrospective Study

Objective: The objective of this study was to analyze the impact of thyroid autoimmunity (TAI) on reproductive outcome parameters of intracytoplasmic sperm injection (ICSI) cycles as compared to TAI-negative ICSI cycles. Design: In this single in vitro fertilization (IVF) center retrospective study, 86 infertile women with elevated thyroid peroxidase or TGAb levels, but euthyroid after thyroxine replacement (study group), were compared to 69 female patients with no thyroid abnormalities (controls). Following ICSI treatment fertilization rate (FR), clinical pregnancy rate (CPR), miscarriage rate (MR), and live birth rate (LBR) were analyzed. Materials, Setting, Methods: All subjects with various infertility factors were treated with ICSI in university-based IVF center. Patients in the study group received thyroxine replacement and were euthyroid at IVF treatment. Before the IVF cycles, endocrinological parameters were uniformly assessed: thyroid function and antibodies, reproductive hormones (anti-Müllerian hormone [AMH], follicular stimulating hormone [FSH], luteinizing hormone, E2, PRL, testosterone, DHEAS, 17-OHP, AD) and OGTT (0–60–120 min glucose and insulin). Following descriptive comparison of laboratory parameters, age-adjusted analyses of FR, CPR, MR, and LBR were performed. Results: TAI-positive women were older (mean age 35.31 ± 4.95 vs. 32.15 ± 4.87 years; p = 0.002), had higher FSH (8.4 ± 3.4 vs. 7.4 ± 2.32 U/L; p = 0.024), higher E2 (53.94 ± 47.61 vs. 42.93 ± 18.92 pg/mL; p = 0.025) levels, while AMH (2.88 ± 2.62 vs. 3.61 ± 1.69 ng/mL; p = 0.0002) was lower. There were no differences in TSH levels (1.64 ± 0.96 vs. 1.66 ± 0.65 µIU/mL; p = 0.652) between the two groups. FT3 (2.63 ± 0.58 vs. 2.98 ± 0.55 pg/mL; p = 0.002) was lower and FT4 (1.3 ± 0.29 vs. 1.13 ± 0.21 ng/dL; p = 0.0002) was higher in the TAI-positive group, reflecting clinically irrelevant differences. Egg cell counts (6 ± 3.8 vs. 7.5 ± 3.95; p = 0.015) were lower in TAI and remained so following age adjustment. Although the overall ICSI FR did not differ (62.9% vs. 69.1%, p = 0.12), it was lower for patients under 35 with TAI showing decreasing differences in line with age. The CPR (36.04% vs. 69.56%; p < 0.001) and LBR (23.25% vs. 60.86%; p < 0.001) were lower, the MR (35.48% vs. 12.5%; p = 0.024) was higher in the TAI group, and these differences remained after age adjustment. Limitations: Since the higher age of the study group may interfere with the effect of TAI, age adjustment calculations were necessary to perform to eliminate this confounding factor. Conclusion: Despite optimal thyroid supplementation in clinical or subclinical hypothyroidism, the presence of TAI negatively influences CPR and is connected to a higher MR, thus resulting in a lower LBR after ICSI. Decreased FR with ICSI in TAI patients may also contribute to poorer outcomes, especially in younger women.

Bi-allelic variants in chromatoid body protein TDRD6 cause spermiogenesis defects and severe oligoasthenoteratozoospermia in humans

BackgroundThe association between the TDRD6 variants and human infertility remains unclear, as only one homozygous missense variant of TDRD6 was found to be associated with oligoasthenoteratozoospermia (OAT).MethodsWhole-exome sequencing and Sanger...

Evaluation of Oxidative and Nitrosative Stress Markers Related To Inflammation in The Cumulus Cells and Follicular Fluid of Women Undergoing Intracytoplasmic Sperm Injection: A Prospective Study.

Oxidative/nitrosative stress in the oocyte microenvironment could have an impact on intracytoplasmic sperm injection (ICSI) outcomes. The presence of reactive oxygen species (ROS) and reactive nitrogen species (RNS) can stimulate the secretion of pro-inflammatory cytokines, leading to chronic inflammation and potentially affecting embryo as well as oocyte quality. This study aimed to examine the relationship of lipid peroxidation [measured by the malondialdehyde (MDA) assay] with protein carbonyl [measured by the 2,4 dinitrophenylhydrazine (DNPH) assay] levels in cumulus cells (CCs), as well as nitric oxide (NO), peroxynitrite (ONOO-), and C-reactive protein (CRP) levels in follicular fluid (FF). The potential relationship of these levels with ICSI outcome was also evaluated. In this prospective study, 63 FF samples and their corresponding CCs were collected for ICSI procedures. Spectrophotometry was used to assess levels of DNPH, MDA, NO, and ONOO-. CRP levels were evaluated using an immunoturbidimetric assay. The patients under 37 years with normal ovarian reserve had significantly lower levels of MDA, DNPH, NO, ONOO-, and CRP compared to those over 37 years. Additionally, we observed higher levels of MDA, DNPH, NO, ONOO-, and CRP in the group with an oocyte maturity rate of less than 60%. No significant difference was observed between the DNPH levels and factors such as infertility duration, embryo quality, pregnancy, or the number of retrieved oocytes. A higher level of MDA, NO, ONOO-, and CRP was found to be significantly related to the lower number of retrieved oocytes, longer periods of infertility, poor embryo quality, and negative pregnancy outcomes. Oxidative/nitrosative stress, linking to inflammation in the oocyte microenvironment, can be considered as a potentially useful biomarker for assessing the development and competence of oocytes and embryos and predicting ICSI outcomes.

Reproductive Outcomes of Conventional In Vitro Fertilization and Intracytoplasmic Sperm Injection in Patients with Non-Severe Male Infertility Across Poor and Different Sub-Optimal Ovarian Response Categories: A Cohort Study Based on 30,352 Fresh Cycles from 2009–2019

Due to the influence of economic, social and many other factors, there are more and more reproductive problems. Originally introduced for managing male factor infertility, intracytoplasmic sperm injection had become the most commonly used fertilization treatment in the world, with broadened indications including low oocyte yield, prior fertilization failure with conventional in vitro fertilization etc. However, academic evidence for better live-birth outcomes of intracytoplasmic sperm injection over conventional in vitro fertilization is limited. Thus, we aimed to compare the reproductive outcomes of conventional in vitro fertilization and intracytoplasmic sperm injection in patients with non-severe male factor infertility across poor and different sub-optimal ovarian response categories. The fertility rate, implantation rate, clinical pregnancy rate, live birth rate and other obstetric outcomes were mainly compared. Our results showed that independent of the number of oocytes retrieved, intracytoplasmic sperm injection significantly increased the fertilization rate, while conventional in vitro fertilization cycles showed a higher implantation rate, clinical pregnancy rate, and live birth rate. No differences were observed in most obstetric outcomes. Our study indicates that poor ovarian response is not an indication for intracytoplasmic sperm injection in couples with non-severe male infertility.

Effect of prior cesarean delivery on the outcomes of intracytoplasmic sperm injection.

This study was conducted to investigate the impact of previous delivery mode on pregnancy outcomes in patients with secondary infertility after frozen-thawed embryo transfer. This prospective observational study included 140 patients experiencing secondary infertility. Of these, 70 patients had a previous cesarean delivery (CD), while the remaining 70 patients had a previous normal vaginal delivery (NVD). The primary outcome was the implantation rate. The secondary outcomes included rates of clinical pregnancy, chemical pregnancy, miscarriage, and ectopic pregnancy. The comparison of all fertility outcomes between the two groups revealed no statistically significant differences. The implantation rate was 40.4% in the CD group and 41.7% in the NVD group (p=0.842). The clinical pregnancy rate was 50% in the CD group and 49.3% in the NVD group (p=0.932), while the chemical pregnancy rate was 14.6% in the CD group and 19% in the NVD group (p=0.591). The miscarriage rates in the CD and NVD groups were 20% and 17.6%, respectively (p=0.803). One case of tubal ectopic pregnancy occurred in the NVD group (1.4%). The mode of prior delivery did not significantly impact pregnancy outcomes following frozen-thawed embryo transfer.

The Association of ICSI Outcomes with Semen and Blood Bisphenol A Concentrations of the Male Partner.

This study investigated the association of blood and semen Bisphenol A (BPA) levels of the male partner on the reproductive outcome in intracytoplasmic sperm injection (ICSI) treatment cycles. For this prospective study (ClinicalTrials.gov identifier: NCT02703584), blood and semen samples of the male partner of the 75 women who had ICSI were analyzed. The study group consisted of men who had ICSI for male factor infertility other than azoospermia, while men with normal spermiogram whose partners underwent ICSI due to tubal factor infertility were taken as the study group. Habitual consumption of drinking water from plastic carboys/bottles (PBW) at home was also questioned in both groups as it was considered as chronic BPA exposure. The association of ICSI outcome with blood BPA (bBPA) and semen BPA (sBPA) levels was analyzed in both groups. No significant correlation was found between sperm parameters and bBPA levels in both groups. A negative correlation was found between sBPA levels and total sperm count and progressive sperm motility in men who consumed PBW. Embryo development arrest was found to be significantly higher in patients who have high sBPA levels. Although sBPA levels were not different in PBW consumers, bBPA levels were found to be significantly lower in those who consumed tap water (TW) than those who used PBW. Elevated bBPA were associated with a significant decrease in clinical pregnancy rate. Considering the widespread human exposure to BPA, the effect of BPA on the male reproductive system needs to be further examined.

STUDY ON DETERMINANTS OF SUCCESSFUL OUTCOME IN ICSI PREGNANCIES IN A TERTIARY CARE CENTRE

Objectives: A descriptive study was done at the government medical college in Thiruvananthapuram to find out the determinants of the successful outcome of intracytoplasmic sperm injection (ICSI) pregnancies. Methods: The study was done on 60 ART-conceived patients who underwent ICSI and became positive for pregnancy during 1 year. Their pregnancy was followed up, and data was collected in a structured proforma about determinants of successful outcomes. Results: Out of 60 in vitro fertilization (IVF)-conceived subjects (n=60), the maximum age group (40%) that underwent IVF treatment was between 31 and 35 years old, and they belonged to an upper-lower socio-economic status. 45% of patients had a normal body mass index, 46.7% were overweight, and 8.3% were obese. 73.3% were nulliparas.78.3% had primary infertility, and 21.1% had secondary infertility. The prevalence of male infertility was 6.7%, and female infertility was 81.7%. 81.1% had regular menstrual cycles. 8.3% of patients had medical disorders, and 48% of patients had previous surgeries like polypectomy, polycystic ovarian drilling, and laparoscopy for endometriosis. 71.7% were given the GnRH antagonist stimulation protocol for 8–12 days, and 11–15 eggs were obtained in 66.7% of the patients. 91.7% of frozen embryos were transferred. Conclusion: The success of an ICSI pregnancy is determined by the younger age of the female partner, female factor infertility, antagonist stimulation protocol, and the transfer of a frozen embryo.