What is causing infertility?

Answer:
The underlying causes of infertility are:
problems with ovulation (egg production)
anatomic problems such as fallopian tube blockage
endometriosis (a common cause of pelvic disease)
cervical mucus problems
male factors such as low sperm counts or poor motility.
First answer by Leexiaop. Last edit by Leexiaop. Contributor trust: 5 [recommend contributor recommended]. Question popularity: 1 [recommend question].