Over the past half a century many countries have witnessed a rapid fall in total fertility rates,
particularly in the world's most advanced economies including the industrial powerhouses of …

Fertilization failure refers to the failure in the pronucleus formation, evaluating 16-18 h post
in vitro fertilization or intracytoplasmic sperm injection. It can be caused by sperm, oocytes …

In recent years, there has been a global increase in cases of male infertility. There are about
30 million cases of male infertility worldwide and male reproductive health is showing rapid …

Simple Summary Abnormal prolactin levels can lead to male infertility. However, the
regulation mechanism of prolactin in the epididymis is still unclear. We studied the effects of …

A fertilidade é a capacidade de estabelecer uma gravidez clínica, definida mediante
visualização de um ou mais sacos gestacionais através da ultrassonografia ou por sinais …