Association between BMI and semen quality: an observational study of 3966 sperm donors.

ABSTRACT:

Study question

What is the relationship between abnormal BMI and semen quality?

Summary answer

Underweight was significantly associated with lower sperm concentration, total sperm number and total motile sperm count, while overweight was significantly associated with lower semen volume, total sperm number and total motile sperm count.

What is known already

Abnormal BMI has been associated with lower semen quality, but the results remain somewhat controversial. In addition, most previous studies have focused on the influence of obesity or overweight on semen quality, and evidence on the association between underweight and semen quality is rare.

Study design, size, duration

This research was an observational study investigating 3966 sperm donors from a large sper

SUBMITTER: Ma J 

PROVIDER: S-EPMC6676949 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature