Decline in semen parameters from 2000 to 2016 among Bangladeshi men attending a tertiary care hospital.

Moreover, there appeared to be a positive trend in motility parameters between 2000 and 2004, which may or may not be associated with the reduced sample size compared to post-2008 data.

also in 11,005 other papers

This finding is consistent with past meta-analyses from international literature that describe semen concentration trends over the last few decades.[ 1 ] More recent studies on concentration trends also show decreased parameters in countries not previously studied, such as Israel, India, and New Zealand.[ 2 12 13 ] However, adjusted and unadjusted raw concentration analyses do not indicate a clear trend of decline in concentration for our study population.

also in 19,460 other papers