luteal phase http://id.loc.gov/authorities/subjects/sh85078983 E1.0.2.3.0.0.6 The period in the menstrual that follows ovulation, characterized by the development of corpus luteum, increase in progesterone production by the ovary and secretion by the glandular epithelium of the endometrium. The luteal phase begins with ovulation and ends with the onset of menstruation. progesterone phase secretory phase ovulation menstrual cycle