luteal phase defect
Definition: a condition characterized by inadequate secretion of progesterone during the luteal phase of the menstrual cycle, with resultant infertility; subnormal luteal function commonly attributed to abnormal pituitary gonadotropin secretion and ovarian follicle dysfunction.
Synonym(s): luteal phase deficiency
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.