Objective: The effect of obesity on male reproductive health has recently gained
considerable attention, particularly the effect on sperm parameters. However, studies show a …

BACKGROUND The global obesity epidemic has paralleled a decrease in semen quality.
Yet, the association between obesity and sperm parameters remains controversial. The …

Background: Infertility as well as obesity are risng global concern. Whilst there is an
established association between female obesity and infertility, a similar link is yet to be …

STUDY QUESTION What is the relationship between abnormal BMI and semen quality?
SUMMARY ANSWER Underweight was significantly associated with lower sperm …

Background Previous studies examined the effects of obesity on sperm parameters and
reported inconsistent results. Thus, the present study aimed to evaluate the association …

Background Little is known about the potential role of central obesity among men. Our first
aim was to confirm what is already known from prior research, namely that both BMI and …

BACKGROUND It has been suggested that body mass index (BMI), especially obesity, is
associated with subfertility in men. Semen parameters are central to male fertility and …

Male and female infertility has become a worldwide public health problem. The global
obesity epidemic has paralleled a decrease in semen quality. Yet, the association between …

The present updated systematic review and meta‐analysis aims to summarize the evidence
from published studies with low risk for any important bias (based on methodological quality …

Study question Does the body mass index (BMI) have an impact on semen analysis results?
Summary answer The increase in BMI has a negative impact on sperm motility. What is …