Progesterone

Definition

Progesterone is a steroid hormone released by the corpus luteum in the ovary, placenta, and adrenal glands that plays a key role in the female menstrual cycle and maintaining the early stages of pregnancy. It prepares the body for conception, regulates the menstrual cycle, and supports fetal development.

Related terms

Estrogen: A group of hormones responsible for the development and regulation of female characteristics and reproductive processes.

Corpus luteum: A temporary endocrine structure in female ovaries that produces high levels of progesterone to maintain pregnancy in its early stages.

Menstrual Cycle: The monthly series of changes a woman's body goes through in preparation for the possibility of pregnancy