Anovulation - a lack of, or absent, ovulation. Ovulation, which is the release of an egg from the ovary, must happen in order to achieve pregnancy. If ovulation is irregular, but not completely absent, it is known as oligovulation. Both anovulation and oligovulation are ovulatory dysfunctions.
Ovulatory dysfunction is a common cause of female infertility, occurring in up to 40% of infertile women.
Anti-mullerian hormone - or AMH, is a protein released by the ovaries and is related to the development of follicles in the ovary. Blood work to check AMH levels may be done as a part of fertility testing.
Asthenozoospermia - is the medical term for poor sperm movement. Asthenozoospermia is a potential cause of male infertility.
Azoospermia - a complete lack of sperm cells.