What are some of the factors that may cause infertility?

Question

What will be an ideal response?

Answer 1

Many factors can cause infertility, including problems with the woman, the man, or both. Fertility problems for women age 35 years and younger may involve problems with fallopian tubes, ovulation, and endometriosis.
Fallopian tube blockage or abnormality: Endometriosis or scar tissue from STIs, pelvic inflammatory disease (PID), or a second trimester abortion may cause the blockage. The blockage may not allow sperm to reach the egg or may not allow the fertilized ovum to reach the uterus, which may lead to an ectopic pregnancy.
Ovulatory disruptions: Many factors may cause these disruptions, including hormone imbalances, benign pituitary growths, amenorrhea due to a lower or higher than normal body weight, or conditions such as polycystic ovarian syndrome, a disorder in which numerous small cysts develop on the ovaries and prevent ovulation of mature ova.
Women are not the only ones with conditions leading to infertility; 24.3% of infertility cases occur with problems in men. Main issues for male infertility are abnormally low sperm count and low movement of sperm. Causes of low sperm count can be either biological or environmental.