Alopecia or hair loss is a very common problem for both men and women. Androgenetic alopecia refers to the male pattern or female pattern hair loss. In the case of some people, Androgenetic alopecia may be a hereditary problem. In the case of androgenetic alopecia, hair starts falling usually from the crown region. Male pattern baldness is different from female pattern baldness. In the case of female pattern baldness, hair falls from all over the scalp region and not just the region above the temples.