Learn what role progesterone plays in pregnancy. Find out what normal progesterone levels are and what links there are between low progesterone, miscarriage, and preterm birth.

A reproductive health expert answers common questions about opting out of periods with continuous use birth control.

To prevent preterm birth, doctors may recommend vaginal progesterone or intramuscular injections. People taking hormone replacement therapy for menopause symptoms may also require progesterone ...

"Progesterone in oil is much less expensive but it is notoriously painful and usually requires that a second person do the injection, while vaginal gel is more expensive but tolerated much better in ...

Progestin is more commonly used than progesterone in various forms of birth control, including the hormonal IUD, pill, and injection. In these uses, progestin thickens the mucus of the cervix so ...