a stage of the menstrual cycle, lasting about two weeks, from ovulation to the beginning of the next menstrual flow.
Words nearby luteal phase
Compare follicular phase.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for luteal phase
The portion of the menstrual cycle that begins with the formation of the corpus luteum and ends with the start of the menstrual flow, usually 14 days in length.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.