Abstract
This hospital-based, prospective study was conducted to evaluate the relationship between body mass index (BMI) and various semen parameters in infertile men. A total of 439 men presented for infertility evaluation were assessed by basic infertility evaluation measures including semen analysis and BMI calculation. The main outcome measure was the relationship between BMI groups [BMI: 18.5-24.9kg/m2 (normal weight), 25-29.9kg/m2 (overweight) and ≥30kg/m2 (obese)] and different semen parameters [volume, concentration, motility and morphology]. The mean BMI was 29.67±5.89. Most of patients (82.91%) were overweight or obese. The 3 BMI groups were comparable in semen parameters (P>0.05). BMI had a negative correlation with various semen parameters. However, this correlation was significant only with sperm concentration (P=0.035). We concluded that sperm concentration was the only semen parameter which showed significant reduction with higher BMI in infertile men.
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