Progesterone

Progesterone is a hormone which involved in the menstrual cycle in women, particularly in helping to build up the rich tissue layer in the uterus in preparation for an implanted embryo.

Progestin

Progestin is a term which is used to cover a group of synthetic drugs which have progesterone-like effects.

Progestin is usually prescribed in combination with estrogen in Hormone replacement therapy (HRT), since estrogen replacement alone is associated with a high risk of uterine cancer.

Progestin (or progesterone) is also used to treat menstrual disorders, such as abnormal bleeding).

by Catherine E. Myers. Copyright © 2006 Memory Loss and the Brain