Abstract
The present study was designed to investigate the relationships between indicators of male body mass index (BMI), age, reproductive hormone levels, semen parameters, and the outcomes of assisted reproductive technology (ART). The clinical data were collected from 636 couples who underwent ART between January, 2013 and December, 2015 at the reproductive center involved in our study. Pearson’s correlation or Spearman rank correlation was applied to establish the relevant correlation coefficients. The correlation between influence factors’ and pregnancy outcomes was analyzed using the Logistic regression model. Analyses were conducted using SPSS software. Male BMI was found to be negatively correlated with testosterone (T) (P<0.05), while follicle-stimulating hormone (FSH) was negatively correlated with semen parameters (P<0.05). Luteinizing hormone (LH) was found to be negatively correlated with total sperm count, normal sperm morphology, and abortion (all P<0.05). Clinical pregnancy was related to sperm concentration and female age (P<0.05), and live birth was found to be associated only with female age (P<0.05). Male BMI was associated with the secretion of reproductive hormones, but had no effect on sperm parameters or ART outcome. A higher male age was also negatively connected with the outcome of clinical pregnancy. Reproductive hormones were not associated with ART outcome. Sperm concentration and female age were important factors influencing ART clinical pregnancy, while the only significant factor influencing live birth was female age. Levels of obesity-related inflammatory indicators (i.e. free fatty acid (FFA), glutathione peroxidase (GSH-Px), human inhibin-B (IHNB), interleukin-1 (IL-1), insulin-like growth factor-1 (IGF-1), and reactive oxygen species (ROS)) also varied with degrees of BMI. The present study provides information on the associations between male reproductive characteristics and the outcome of ART, which may contribute to improved strategies to help couples achieve better pregnancy outcomes.
Highlights
Infertility is defined as the failure of conceiving after 12 months of unprotected intercourse, and it affects approximately 15% of couples trying to become pregnant [1,2]
It was observed that significant differences were found in between body mass index (BMI) and male age, T, testosterone secretion index (TSI), and TE2 (P0.05, Table 2)
It was shown that levels of obesity-related inflammatory indicators (i.e. free fatty acid (FFA), glutathione peroxidase (GSH-Px), IHNB, IL-1, insulin-like growth factor-1 (IGF-1), and reactive oxygen species (ROS)) were statistically quite distinct among patients classified in different BMI groups (P
Summary
Infertility is defined as the failure of conceiving after 12 months of unprotected intercourse, and it affects approximately 15% of couples trying to become pregnant [1,2]. Among couples between the age of 15–44 years old in the US, nearly 7.3 million women or their partners have sought infertility treatment services from 2006–2010 [3]. According to former research, it is apparent that the rate of infertility rises with increased age in both males and females [6,7]. Recent evidence suggest that many c 2017 The Author(s).
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