The term used to explain when the cause of infertility cannot be explained.
The embedding of the embryo into tissue so it can establish contact with the mother's blood supply for nourishment. Implantation usually occurs in the lining of the uterus; however, in an ectopic pregnancy it may occur elsewhere in the body.
The inability to conceive after a year of unprotected intercourse (six months if a woman is over age 35).
A micromanipulation procedure that occurs under a microscope in which a single sperm is injected directly into the egg to enable fertilization with very low sperm counts or with non-motile sperm (sperm that don't swim effectively toward the egg). The embryo is then transferred to the uterus.
A needle designed to administer medication deep into the muscle. Injections of this type are usually given in the thigh or upper buttock area.