The risks of miscarriage will begin to rise from around mid thirties, and at mid forties the risk of a miscarriage is at around 60 percent.

An 18 month old should be able to speak at least 6 words, and should be able to communicate using familiar gestures, such as shaking his or her head, nodding his or her head, and pointing.

Treatments include surgery to correct or repair anatomic abnormalities or damage to reproductive organs, use of medical procedures to deliver sperm to the woman, fertilization of the egg in a laboratory, and using a third party for donating sperm or eggs and/or carrying a pregnancy.

Reduced production of FSH will affect the numbers of sperm produced.

30-50% of individuals presenting with infertility have endometriosis.

Blocked or damaged fallopian tubes prevent eggs from getting to the uterus and sperm from getting to the egg. Leading causes include pelvic inflammatory disease, sexually transmitted diseases such as chlamydia, and previous sterilization surgery.