Sterilization Time Research Articles

Physician's opinions regarding salpingectomy as a risk-reducing procedure for ovarian cancer

Objective: Bilateral salpingectomy (BS) at the time of sterilization and hysterectomy has been proposed as a method to decrease the incidence of ovarian cancer. Recent studies have shown BS to be an equivalent procedure to bilateral tubal ligation (BTL) in terms of complication rate and a more efficacious procedure in terms of sterilization. The purpose of this study was to assess current practices in offering BS and to gather opinions regarding barriers preventing general obstetrician gynecologists from offering BS to their patients.

Comparative study of oil recovery improvement by sterilization process using firewood and electricity

This study presents a palm fruits sterilization unit that was designed for firewood and electricity independently as sources of energy and its performance was evaluated. 2kg of palm fruit at 100 oC for 30, 45, 60, 75, 90, 105 and 120 minutes using steam generated from electricity was evaluated. The yield of the palm fruits was also evaluated at 100 oC for 30, 45, 60, 75, 90, 105 and 120 minutes using firewood to cook palm fruits directly in water. Further laboratory experiment was conducted to investigate the quality of oil obtained from fresh palm fruits cooked with steam and fresh palm fruits cooked in water. The maximum oil fluid recovery percentage at 100 oC for 120 minutes sterilization time using electricity energy source and firewood energy source were 27.1 and 26.0 % respectively. The experimental result shows that at 100 oC and 90 minutes of sterilization using firewood and electricity, oil released from the digested fibre accounted for 46 % (111.33 g) and 54 % (130.5 g) of the total oil content respectively. The free fatty acid ,content peroxide value and moisture content of the oil sample cooked with steam and in water at 100 oC for 90 minutes were 3.9 %, 8.5 (O2/kg), 0.11 % and 4.4 %, 10.3 (O2/kg), 5.5 % respectively. The boiler efficiency of 99.5% was achieved for the unit.
 Keywords: Palm fruit, sterilization, oil recovery, boiler, firewood, electricity.

Roundtable Discussion: The Challenge of Developing Effective Sterilization and Reprocessing Instructions for Use.

Roundtable Discussion: The Challenge of Developing Effective Sterilization and Reprocessing Instructions for Use.

Time-Modulated LF-Microwave Hybrid Plasma for Surface Sterilization

The plasma surface sterilization method has emerged as a new sterilization method for medical instruments with many advantages, including nontoxicity, short treatment time, and low thermal damage to the sterilized material, over conventional sterilization methods. In this study, low-frequency (LF)-microwave hybrid plasma is produced by irradiation of microwave to an LF plasma jet. This hybrid plasma is characterized by atmospheric-pressure nonthermal plasma with a large amount of reactive species and has been applied for plasma surface sterilization. To reduce the treatment temperature while maintaining the effect of surface sterilization for applicability to heat-sensitive materials, the LF-microwave hybrid plasma was modulated in time by using pulsed microwaves. It was found that the gas temperature of the LF-microwave hybrid plasma produced by pulsed microwaves can be much lower than that of the LF-microwave hybrid plasma produced by continuous microwaves. Moreover, the gas temperature of the plasma was found to depend on the pulsewidth and duty ratio of microwaves used to produce it even if the time-averaged microwave power remained constant. Analyses of the optical emission spectra and chemical indicator tests indicated that the number of reactive oxygen radicals produced in the LF-microwave hybrid plasma also depends on the pulsewidth and duty ratio of the microwaves. In addition, it was found that the dependence of the number of oxygen atoms produced in the LF-microwave hybrid plasma on the microwave pulsewidth is opposite to that of the gas temperature. Spore-forming bacteria ( Geobacillus stearothermophilus ) with a population of $2.4 \times 106$ CFU/ $0.25{''} \times 1.5$ ” in a paper strip were sterilized for 1 min at a treatment temperature of 82.43 °C using pulsed LF-microwave hybrid plasma. The temperature and time of sterilization with the pulsed LF-microwave hybrid plasma were found to be lower than those with continuous LF-microwave hybrid plasma.

The Effects of Sterilization Time of FFB on Fruit-Bunch Separation and Crude Palm Oil Quality Using Direct Steaming

The Effects of Sterilization Time of FFB on Fruit-Bunch Separation and Crude Palm Oil Quality Using Direct Steaming

Imaging Manifestations of Lung Injury During the COVID-19 Outbreak: What Have We Learned?

Coronavirus disease-19 (COVID-19) is a pandemic infectious disease caused by a novel coronavirus. Infection can result in a wide range of clinical outcomes, from an asymptomatic condition to severe bilateral pneumonia and life-threatening conditions. Diagnosis is based on the combination of a history of exposure, clinical presentation, and real-time polymerase chain reaction (RT-PCR) assays. In endemic areas, imaging tests including computed tomography (CT), chest X-ray (CXR), and ultrasound (US) have been included in the diagnostic workup. Multiple and peripheral areas of parenchymal injury is the hallmark of COVID-19 lung infection, seen as ground-glass opacification and consolidation on CT, as hazy opacities on CXR, and as multiple B-lines and subpleural consolidations on US. Of these modalities, CT has the best sensitivity and specificity, while CXR has moderate sensitivity and unknown specificity. Both CT and CXR involve ionizing radiation, increase the risk of cross-infection, and require a long sterilization time. Ultrasound is the only modality used by clinicians. Early reports have shown promising results, comparable to CT. With high availability, the lowest risk of cross-infection, and a rapid sterilization process, US may potentially become the primary imaging tool for COVID-19 pulmonary injury. Lung US training programs are needed to provide clinicians with the ability to better implement this technique.

The effect of multiple operating room scheduling on the sterilization schedule of reusable medical devices

We study scheduling problems of operating rooms (ORs) and sterilization of reusable medical devices (RMDs) where RMDs are the tools that have to be sterilized in order to be reused in the other surgeries. During their sterilization, RMDs are batched and reprocessed extensively by sterilization machines to prevent possible nosocomial infections. Unlike other renewable resources, such as, nurses or anesthesiologists, RMDs do not become available for the next coming surgeries right after the surgery they are used is finished. Inadequate number of RMDs causes postponement of surgeries or delays in the starting times of surgeries. To study the effect of multiple operating room scheduling on the sterilization schedule of RMDs, we integrate scheduling of ORs and sterilization of RMDs by a mixed integer linear programming model to minimize the total cost that consists of the costs of sterilization, postponement of surgeries, and makespan. First, we solve the proposed model to compute the best solution found within a computation time limit. Then, we solve disaggregated versions of the problem: first step aims to schedule surgeries without considering RMDs, and second step aims to schedule RMD sterilization given the computed surgery schedule used as the earliest time surgeries may start. In the first disaggregated version, additional surgery postponement are not permitted in the second step (during RMD sterilization schedule), whereas, in the second disaggregated version additional surgery postponements are permitted. We also propose a batch-based heuristic where the problem is decomposed into two stages: assigning surgeries to ORs and batches by a mixed integer linear programming model, and then, scheduling surgeries based on the assignments computed by the previous stage via an iterative algorithm. In addition, we also model the real life practice of utilizing fixed sterilization times and a rule-of-thumb is also proposed based on sorting with respect to RMD requirements and surgery durations. We analyze the performance of these methods and we conclude that the proposed integrated mixed integer linear programming model performs better than the other methods over 375 instances with varying number of ORs and surgeries. Our computational results show that real life practice of scheduling sterilization with fixed time intervals results in an average gap of 20.2%, whereas, first and second disaggregated methods result in average gaps of 9.0% and 3.7%, respectively. In addition, 311 instances out of 375 instances could not be solved by the first disaggregated method. Our results demonstrate the usefulness of integrating OR scheduling problem and sterilization of RMDs, and it is also demonstrated that hospital administrations can not only decrease their total costs but also prevent delays due to inadequate number of RMDs required by their surgeries.

Food safety assurance through thermal process on canned corned beef

As one of critical control point (CCP) of canned processed corned beef, thermal process application needs to be investigated to ensure that the product get enough heat to destruct all bacteria and spores to get commercial sterile condition while saving energy to produce heat. The result showed that at retort temperature of 121°C the sterilization value or minimum F0 value for corned beef 340 grams was 12.08 minutes and maximum value of 15.72 minutes. This value is above of F0 for processed meat of beef which is about 7 minutes. The observation of the process showed that the sterilization was over process and the holding time needs to be reduced by 10 minutes from 72 minutes. This value was similar for canned size of 198 grams which gave minimum F0 of 12.07 minutes and-maximum value of 16.69 minutes but with different holding time. The later was obtained by sterilizing it with holding time of 57 minutes. The determination of optimum heat adequacy time (sterilization) is very useful for the industrial canning of meat, because with the optimum sterilization time, safe sterilization results can be obtained and the nutritional value can be maintained with efficient operating costs.

Comparative assessment of pretreatment strategies for production of microalgae-based biodiesel from locally isolated Chlorella homosphaera

The yield and quality of lipids extracted from microalgal biomass are critical factors in the production of microalgae-based biodiesel. The green microalga Chlorella homosphaera, isolated from Beira Lake, Colombo, Sri Lanka was employed in the present study to identify the effect of chlorophyll removal and cell disruption methods on lipid extraction yield, fatty acid methyl ester (FAME) profile and quality parameters of biodiesel; including cetane number (CN), iodine value (IV), degree of unsaturation (DU) and high heating value (HHV). In the first section of this study, chlorophyll was removed from dry microalgae biomass prior to lipid extraction. Through the analysis of FAME profiles, it was observed that chlorophyll removal yielded biodiesel of enhanced quality, albeit with a lipid loss of 44.2% relative to the control. In the second section of the study, mechanical cell disruption strategies including grinding, autoclaving, water bath heating and microwaving were employed to identify the most effective method to improve lipid recovery from chlorophyll-removed microalgae biomass. Autoclaving (121 °C, 20min sterilization time, total time 2h) was the most effective cell disruption technique of the methods tested, in terms of lipid extraction yield (39.80%) and also biodiesel quality. Moreover, it was observed that employing cell disruption subsequent to chlorophyll removal has a significant impact on the FAME profile of microalgae-based biodiesel, and consequently served to increase HHV and CN although IV and DU did not vary significantly.

An efficient protocol for Cistus crispus L. (Cistaceae) micropropagation

Abstract Cistus crispus (Cistaceae) is a species adapted to arid and semi-arid conditions, and it has ornamental and medicinal uses. In Italy, native populations of C. crispus are threatened by the collection due to the low number of individuals in the populations, anthropogenic pressure, and the changing environmental condition that enhance other more aggressive and hybridisable Cistus species. Here, we set up the variables for its micropropagation protocols to achieve a high number of plants per unit time. Various steps of the micropropagation protocol were modulated, including various sodium hypochlorite concentrations (CHCs) and time of sterilisation. The efficiency of the protocol maximised at 25 min sterilisation with 2.5% CHC and decreasing explant vitality at increasing time and CHC. Both shoot proliferation and root emissions were maximised at 1.78 μM N-6-benzyladenine (BA) in the growing medium, with up to 5.4 explants per cycle, with 5.8 roots per explant, and 84 healthy explants. Kinetin stimulated further the axillary root proliferation more than dimethylallylamino purine or BA. Lastly, the application of indole acetic acid increased root emissions during the acclimation stage more than the application of indole butyric acid, and this occurred irrespective of their concentrations, up to 2.0 μg · g−1. These results can foster the use of C. crispus as an ornamental species, for xeriscaping or for the extraction of its secondary compounds, which have various industrial uses. These results can also have an indirect implication for the conservation of the species by reducing the collection for ornamental purposes from its natural population.

Optimization of microwave heating on orange sacs products

Various applications of microwave have been put into effect in the field of food processing. The microwave assisted thermal sterilization (MATS) was of great significance because of its less time consuming and higher efficient. In this paper, response surface methodology was used to optimize the process. The sterilization of orange sacs was potimiazed using by response surface methodology (RSM). The optimal processing parameters of MATS on orange sacs are as follow: microwave power, 6 kW, microwave sterilization time, 350 s, amount of orange sacs, 4500 g. Sterilized under this condition by MATS, orange sacs only maintained 3.7 CFU lethal magnitude which was consistent with the standards requirement. The key factor in the response surface using microwave sterilization and the interaction between them were also determined and discussed which could make it evident that MATS should be an idea candidate in the sterilization of some fruit or vegetable products as ready to eat. From these results, the best conditions of microwave sterilization are power 6kw, microwave sterilization time 350s and material quantity 4500g.

English

In Senegal, sweet corn is produced for export market while the canned ones are imported to supply national market. This work was carried out to investigate the effect of different processing conditions such as heating temperature and sterilization time on the microbial quality, color, ascorbic acid and shelf life of canned sweet corn produced in Senegal. The hygiene level of sweet corn samples at different preliminary processing stages before canning processing was evaluated also. Aerobic mesophilic total counts were lowest at blanching (1.8 log10 CFU/g) and no microorganisms related to food spoilage and public health concerns were detected in all canned sweet corn regardless of treatment. However, treatment E (125°C/12 min) had the highest F-value (35.7 min) and the lowest C-value/F-value ratio (3.84 min). This treatment had also less impact on total color change (DE*=6.81) and ascorbic acid content. Canned sweet corn was shelf stable after 12 months of storage.   Key words: Sweet corn processing, canning processing, sterilization, thermal treatment, microbial quality, shelf life, color, vitamin C.

Canning of Traditional Acehnese Food Made by Dried Little Tuna (Euthynnus affinis) Using Two Sterilization Methods

Dried fish of Euthynnus affinis which is also known as “little tuna” or “tongkol” is called ikan kayu in Bahasa Indonesia or keumamah in Acehnese. Keumamah is similar with Japanese katsuobushi which is prepared from dried and smoked bonito. Traditional dishes which made from keumamah are quite many and the one that is famous among Acehnese is called keumamah tumis (cooked keumamah or CK) which is cooked with special Acehnese herbs and spices. This study aimed to determine the effect of sterilization methods on the quality of canned CK. Two variables examined were the treatment of fish as raw material, i.e., B1 = boiled and sun-dried little tuna, B2 = boiled and fried little tuna and the sterilization method: M1 = water bath sterilization for 120 minutes and M2 = sterilization using pressure canner at 115 °C for 60 minutes. Heat penetration study and calculation of sterilization time (Fo value) were conducted using thermocouple data logger for canned CK sterilized using pressure canner. Proximate, total plate count (TPC) analysis and pH were done for fresh fish. Canned CK were analyzed for proximate, peroxide value, and microbiological analysis (TPC). The results showed that the canned CK had an average water content of 49.85%, ash, protein and fat content were 2.18%, 17.74%, and 21.0%, respectively. The pH was 4.85, Peroxide Value (PV) of 5.87%, and the products’ TPC were < 1 x 101 colony/g. Heat penetration study indicated that the Fo for canned CK sterilized at 115 °C for 60 minutes was 5.76 min and at 100°C for 120 minutes was 0.54 min.

MICROPROPAGATION OF AN ENDANGERED AND ENDEMIC MEDICINAL PLANT CAYRATIA PEDATA VAR. GLABRA

Objective: The objective of the present study was to develop standardization protocol for the successful in vitro mass propagation of Cayratia pedata var. glabra through leaf and stem explants, since it is a rare, endangered, and endemic medicinal plant using biotechnological involvements and to conserve this endangered species.&#x0D; Methods: The application of biotechnological principles for the establishment of micropropagation under in vitro conditions has been studied by following the methods. The explants, namely, leaf and stem harvested from in vivo plants were thoroughly washed and properly sterilized with sterilients. The explants were transferred to Murashige and Skoog (MS) medium supplemented with growth regulators 6-benzyladenine (BAP) and naphthalene acetic acid (NAA) in the concentration range of 0.5–3.0 mg/l which were tested for callus induction and morphogenesis. The elongated shoots were transferred to MS medium supplemented with NAA at different concentrations for root induction.&#x0D; Results: The explants collected from the field (shola) were treated in different steriliants with various concentrations at different time for sterilization. Among the various combinations tried, the Teepol treatment for 10 min followed by bavistin 20 min, antibiotics, namely, ampicillin and rifampicin for 20 min, 70% alcohol for 30 s, and 0.12 % HgCl2 for 3 min was found to be effective. The explants were cultured in MS medium supplemented with various concentrations of BAP and NAA. The results noted that an increase in the concentration of BAP concomitantly reduced the frequency of callus formation. The maximum callusing frequency and more number of shoot formation was observed in the lower concentration of BAP (0.5 mg/l) in combination with NAA (0.2 mg/l). The callus obtained from all the above combinations was sub-cultured on MS medium with same combinations of BAP and NAA. The maximum frequency of root formation in leaf callus was 85% and 75% in stem callus and both were achieved on MS medium with NAA (1 mg/l) after 2 weeks.&#x0D; Conclusions: The current investigation provides a competent in vitro propagation method for C. pedata var. glabra which could be commercialized for developing identical plants with high-quality mass multiplication rate and for better conservation of the germplasm. Both the methods described here are well suited for the mass multiplication of this critically endangered and endemic climber species.

Sterilization of oyster mushroom crop residue substrate by using cold plasma technology

Traditional steaming method applied by mushroom entrepreneurs took long time (48 h) to complete the sterilization process. Moreover, improper steaming process causes contamination by soil-borne pathogens. This study will develop a new design by using cold plasma technology for crop residue substrate sterilization process. The cold plasma discharge works as sterilization able to kill the soil-borne pathogens without effect the substrate properties. Hence, focus was intention to examine the efficiency of the dielectric barrier discharges cold plasma (DBD-CP) pen mixer system on the crop residue substrate sterilization process for oyster mushroom cultivation. This renewal process develops by using electric field from voltage breakdown to discharge the plasma. The plasma with variable sterilization duration of 0 min, 5 min, 10 min, 15 min, 20 min and 25 min will discharge on the crop residue substrate. The soil-borne pathogens inactivation occupies on agro-waste substrate will examine using bacteria colony forming unit (CFU) method. Data gathered shows the bacteria colonies reduce from 1.0 9 CFU/mL (0 min) to 1.5 8 CFU/mL (25 min) due to increment of sterilization time. The mushrooms cultivation duration also characterized. The mushroom fruiting body was successfully growth two days earlier on crop residue substrate sterilized using cold plasma technology. Results show 25 min of sterilization duration by cold plasma technology shows the best optimum time. As conclusion, cold plasma technology is an efficient technology and can be applied in oyster mushroom industry for crop residue substrate sterilization process. The mushroom productivity was increase, the mushroom fruiting body growth faster, the sterilization time was shorter and the soil-borne pathogens were reduced.

Heating of liquid foods in cans: Effects of can geometry, orientation, and food rheology

AbstractIn this work, the effect of geometry and orientation of food cans on the heating characteristics of processed liquid foods and the resulting lethality target values as a function of the processing times have been investigated. For this purpose, the governing differential equations have been solved numerically for elliptical and cylindrical cans of varying aspect ratios in different orientations in order to delineate their effect on the heating rate (especially of the slowest heating zone [SHZ]) and lethality values over wide ranges of rheological features including shear thinning (n &lt; 1), Newtonian (n = 1), and shear thickening (n &gt; 1) behaviors. The flow and heat transfer characteristics were analyzed with the help of velocity vectors, isotherm contours, average Nusselt number, SHZ temperature and heat penetration parameters, and lethality target values. Also, comparisons were made in terms of the sterilization time and heat penetration parameters to identify the preferable geometries and orientations of food cans for effective heating of non‐Newtonian foodstuffs. Finally, favorable conditions in terms of the shape and orientation of the can and the rheological properties have been delineated which lead to superior heating characteristics.Practical ApplicationsProcessed foodstuffs are produced in various forms ranging from that in solid, liquid, or as heterogeneous mixtures. Often such liquid and heterogeneous suspensions products are viscous non‐Newtonian in character and their thermal processing (including pasteurization, sterilization, etc.) tends to be much more challenging than that of their Newtonian counterparts like air and water. This work explores heating of non‐Newtonian liquid foodstuffs in cans of various shapes, geometries and in different orientations in the free convection regime. The results show that depending upon the rheological properties of the products, some orientations and/or geometries offer potential advantages in terms of shorter processing times and lethality values. This information can be of great potential in customizing the design of containers for different food products as well as of different rheological properties.

Impact of the Timing of Spay-Neuter Related to Transport on Disease Rates in Relocated Dogs

Simple SummaryCompanion animal relocation programs transport animals from shelters in areas with a large homeless pet population (source shelters) to shelters in areas in which there is a large demand for adoptable animals (destination shelters). These programs reduce the need for euthanasia caused by shelter overcrowding and resource disparity. However, there is a risk of disease in transported animals due to increased potential for infectious disease exposure and the impact of transport stressors on disease susceptibility. This study evaluated whether the timing of spay-neuter surgery relative to transport impacted the rate of disease in relocated dogs. We found no increase in disease rates in dogs spayed or neutered within two weeks of arrival at the destination shelter as compared to dogs spayed or neutered within the two weeks prior to transport at the source shelter.Companion animal relocation programs are an important method to address geographic and resource disparities in pet overpopulation through transport from areas with high homeless pet populations to areas with high adopter demand. Despite mitigation by following best practices, a potential risk of animal relocation is increased disease incidence related to infectious disease spread and the effects of stress during transport. Surgical sterilization may compound disease risk due to the impact of surgical stress on disease susceptibility and the potential for disease exposure from other patients. Our study aimed to provide information about disease and surgical complication incidence as relates to the timing of surgical sterilization in relocated dogs. A population of 431 dogs relocated to a shelter in Washington State was monitored for disease while at the destination shelter and immediately post-adoption. No increased disease incidence was identified for dogs altered within two weeks of transport at the destination shelter compared with those altered within two weeks prior to transport at the source shelter. Because of disparities addressed by relocation programs, surgical sterilization of relocated companion animals is typically best performed at the destination shelter. Our study indicates that disease incidence is not increased by spay-neuter at the destination shelter.

Both Pharmacokinetic Variability and Granuloma Heterogeneity Impact the Ability of the First-Line Antibiotics to Sterilize Tuberculosis Granulomas.

Tuberculosis (TB) remains as one of the world's deadliest infectious diseases despite the use of standardized antibiotic therapies. Recommended therapy for drug-susceptible TB is up to 6 months of antibiotics. Factors that contribute to lengthy regimens include antibiotic underexposure in lesions due to poor pharmacokinetics (PK) and complex granuloma compositions, but it is difficult to quantify how individual antibiotics are affected by these factors and to what extent these impact treatments. We use our next-generation multi-scale computational model to simulate granuloma formation and function together with antibiotic pharmacokinetics and pharmacodynamics, allowing us to predict conditions leading to granuloma sterilization. In this work, we focus on how PK variability, determined from human PK data, and granuloma heterogeneity each quantitatively impact granuloma sterilization. We focus on treatment with the standard regimen for TB of four first-line antibiotics: isoniazid, rifampin, ethambutol, and pyrazinamide. We find that low levels of antibiotic concentration due to naturally occurring PK variability and complex granulomas leads to longer granuloma sterilization times. Additionally, the ability of antibiotics to distribute in granulomas and kill different subpopulations of bacteria contributes to their specialization in the more efficacious combination therapy. These results can inform strategies to improve antibiotic therapy for TB.

Preliminary Study on Scanning Electron Microscopy as an Additional Mean to Assess the Effectiveness of Sterilization of Endoscopes Used in Digestive Tract Examination

Microbiological analyses are performed to check the quality of reprocessing procedures and represent a regular instrument of quality control in gastrointestinal endoscopy. They help detecting and redressing the possible flaws of the reprocessing procedure, thus preventing the transmission of germs through endoscopy. In this paper the effectiveness of sterilization is characterized and compared by scanning electron microscopy and by classical microbiological analyses, for three types of medical devices, with two sterilization methods. The high level manual sterilization method is superior to the automatic reprocessing sterilization method. The sterilization time is important because after changing the immersion in disinfectant period, from 15 minutes to 20 minutes, no more microbial forms were detected, neither at microbiological examination nor at SEM analysis.

Post-partum tubal ligation at time of cesarean delivery or via laparoscopy as an interval sterilization has similar effects on ovarian reserve

Objective:To observe and compare the effect of postpartum tubal ligation (TL) procedures on ovarian reserve at women desiring TL as a contraceptive method at the end of pregnancy.Material and Methods:Eighty-one women were included in the prospective study. TL was performed at the time of cesarean delivery (CD) (n=49) and as an interval procedure by laparoscopy (LS) in the postpartum period (n=32). Anti-müllerian hormone (AMH) was used to determine ovarian reserve. Blood samples were taken twice from each subject; the first sample was taken before delivery from all subjects and the second sample was taken 4 months after sterilization. AMH level differences were compared in each group and between groups.Results:The preoperative AMH values of CD and LS groups were similar 2.30 (maximum: 5.20, minimum: 0.42) ng/mL and 1.80 (maximum: 3.50, minimum: 0.40) ng/mL, respectively (p=0.262). The postoperative AMH values of the CD and LS groups were 1.30 (maximum: 2.60, minimum: 0.30) ng/mL and 0.90 (maximum: 2.50, minimum: 0.20) ng/mL, respectively (p=0.284). When the preoperative and postoperative values of each group were compared the change was statistically significant for both groups p<0.001. The decrease in mean AMH values in the CD and LS groups were 37.83% and 44.15%, respectively. The percentage changes of AMH values were not statistically significant (p=0.286).Conclusion:TL at the time of CD and interval sterilization with LS have similar effects on ovarian reserve.