Objective: To investigate the role of paternal obesity on intracytoplasmic sperm injection success.
Methods: The retrospective study was conducted in Suleyman Demirel University, Isparta, Turkey, from January 2015 to September 2017, and comprised data of infertile couples having undergone intracytoplasmic sperm injection cycle. The data was divided into three groups on the basis of paternal body mass index (BMI): normoweight NW (body mass index<23 kg/m2), overweight OW (body mass index= 23-24.9 kg/m2), and obese group (body mass index ≥25 kg/m2). Fertilisation rate, count and quality of embryos, implantation, clinical pregnancy, take-home baby, abortion rates and sperm parameters were evaluated. SPSS 20 was used for data analysis.
Results: Of the 374 cases, 45(12%) were in NW group, 78(21%) in OW, and 251(67%) in obese group. The overall mean age of males was 34.60}5.80 years, and mean body mass index was 26.84}3.57 kg/m2. There were no statistically significant differences in terms of fertilization rate, embryo count and quality, implantation, clinical pregnancy, take-home baby and abortion rates among the groups (p>0.05). Paternal obesity was not associated with sperm count and motility (p>0.05) either. Regression analysis showed that paternal obesity had no predictive effect on intracytoplasmic sperm injection success (p>0.05).
Conclusions: Excess weight in male partner had no effect on intracytoplasmic sperm injection success.
Keywords: Paternalinfluence, BMI, Intracytoplasmic sperm injection.