What can cause infertility?

Many things: In order for pregnancy to occur, sperm must fertilize the egg. The following are some of the most common causes of infertility. 1. Lack of ovulation- no egg, no pregnancy. 2. Blocked or impaired fallopian tube. 3. Inadequate sperm number and function.

Multiple: At age 44 many women are infertile due to having higher rates of chromosomal abnormalities in their eggs. This is a normal aging process in women. Males over 40 also have slightly higher rates of infertility due to age but age affects females much more. Other causes are blocked tubes, pcos, endometriosis and medical issues such as obesity and thyroid disease.

Top diagnoses: Top reasons: 1) male infertility, tied with 2) female ovulatory dysfunction, followed by 3) tubal disease (female.) 'infertility' is defined by unprotected intercourse for one year. This is based on observing 85% of normal couples conceive in that time.