What Is The Structure That Synthesizes Estrogen Prior To Embryo Implantation?

What Is The Structure That Synthesizes Estrogen Prior To Embryo Implantation? In the luteal phase, the corpus luteum forms on the ovary and secretes many hormones, most significantly progesterone, which makes the endometrium of the uterus ready for implantation of an embryo. If implantation does not occur, the corpus luteum will be degraded, resulting in