The Male Biological Clock

Part fertility guide, part owner's manual to the male reproductive system, The Male Biological Clock attempts to ditch some of the numerous existing myths about men's roles in pregnancy while introducing up-to-date medical research on hormones and health. In modern culture, the words "male" and "biological clock" aren't typically seen together, but Dr. Harry Fisch has news: after the age of 35, men have increased rates of infertility, can contribute to the likelihood of a miscarriage, and are more likely to father a child with Down syndrome.