What are some of the major causes of infertility in couples?

Many: Male factor, ovulation, tubal blockage, uterine disease, and nutrition are among the common explanations for infertility.

Common diagnoses: The top 3 causes, in approximate order, are: 1) male factor infertility, which is closely tied in frequency with 2) female ovulatory dysfunction, followed by 3) tubal disease (female.) simultaneous problems in both partners occur in about 20% of cases.