FET cycle

Progesterone Levels Prior to Embryo Transfer

by Carolina Conceptions | Sep. 29, 2017 | Fertility Blog

  The Role of Progesterone Progesterone’s one function is preparing the endometrium to receive an implanted embryo. If implantation does not occur, estrogen and progesterone levels drop, the endometrium breaks down, and menstruation occurs. If a pregnancy...