In menstrual cycle, period between ovulation and bleeding, during which endometrium develops secretory characteristics.

The phase of development of the endometrium during which, after the proliferative phase, the endometrium stops growing but starts producing secretions (which nourish an implanting embryo) under the influence of progesterone, so it corresponds with the luteal phase in the ovarian cycle.

the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins