What are the primary causes of infertility?
A. For men, the primary cause of infertility is a sperm disorder. A man may have no sperm or low sperm, or there could be a problem with how the sperm is moving. For women, the primary cause of infertility is an ovulation disorder. Normally, a woman ovulates every month, usually around the middle of the menstrual cycle, which averages 28 days. Experts say that women with an ovulation disorder may not ovulate at all or they may ovulate irregularly. Other common causes of infertility in women are a blockage of the fallopian tubes, which prevents an egg from traveling to the uterus, and hormonal defects that make the uterine lining unprepared for egg implantation or that keep a pregnancy from being maintained. Q. What are the main risk factors for infertility? A. A woman’s fertility starts to decrease in her early 30s and takes a big drop after age 35. According to the ASRM, a healthy 30-year-old woman has about a 20 percent chance each month of getting pregnant. By age 40, that chance is
