the male gonad (there are two testicles in the male genital tract) that produces sperm and hormones.

Obstetrician, Gynecologist, & Pathologist email drtoth@fertilitysolution.com

 a premature ending of a pregnancy that is either induced or spontaneous (i.e., a miscarriage).

 scar tissue that develops on the site of an infection, inflammation, or surgical incision and that can prevent normal egg or sperm passage and/or interfere with zygote implantation.

 the absence of menstruation.

 a type of bacteria that can survive in an oxygen-poor environment. In the genital tract, some kinds of anaerobic bacteria can cause infections that may lead to infertility.

 the insertion of a sperm sample inside the female genital tract by artificial means. "Donor insemination (AID)" refers to sperm from a man other than the woman's partner.

 exhibiting no symptoms.

 single-celled living organisms, some of which can trigger infections in the reproductive system.

 the lowest body temperature during the day (usually early morning). For a woman, the BBT has a pattern of being lower than normal prior to ovulation and higher than normal after ovulation.