Progesterone (/ proʊˈdʒɛstəroʊn / ⓘ; P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other …

Dec 29, 2022 · The main function of progesterone is to prepare the endometrium (lining of your uterus) for a fertilized egg to implant and grow. If a pregnancy doesn’t occur, the endometrium …

Nov 13, 2025 · Progesterone is a sex hormone that plays a key role in the menstrual cycle and in pregnancy. It's also responsible for breast development and preparing the body for …

Jun 26, 2024 · Progesterone is 1 of 2 female sex hormones, the other being estrogen. Its main functions are regulating menstruation and supporting pregnancy in the female body.

Apr 23, 2024 · What Is Progesterone? Progesterone is a hormone that plays a big part in reproduction. It's made mostly in the ovaries, and the level fluctuates with your menstrual period.

Dec 11, 2025 · Progesterone is a key reproductive hormone that plays an important role in regulating the menstrual cycle, preparing the body for implantation, and maintaining a healthy …

Sep 2, 2025 · Progesterone is a sex hormone (just like estrogen or testosterone), so it affects sexual development during puberty and is also involved in becoming pregnant (3). …

Aug 14, 2023 · Progesterone is a naturally occurring hormone important for the regulation of ovulation and menstruation. Progesterone is produced in high amounts in females by the …

May 15, 2025 · What is progesterone? Progesterone belongs to a group of hormones called ‘progestogens’. It plays an important role in controlling the female reproductive cycle together …

Oct 10, 2025 · Progesterone is a female sex hormone that has important functions in the female menstrual cycle and pregnancy. Progesterone is mainly synthesized by the ovaries and …