Male Infertility

Diagnosis of Male Infertility

Given that a male factor can be identified as the cause of infertility in 30-40% of couples and is a contributing factor in 50% of cases, it is important to evaluate the male and female partners in parallel.…    

Male reproductive physiology - Fertilization

Fertilization normally occurs within the ampullary portion of the fallopian tubes. During the middle of the female menstrual cycle the cervical mucus changes, becoming more abundant and watery. These changes facilitate the entry of sperm into the uterus…    

Male Infertility - Components of the HPG Axis

Check (Figure 42-2)

A. Hypothalamus
As the integrative center of the HPG axis, the hypothalamus receives neuronal input from many brain centers, including the amygdala, thalamus, pons, retina, and…