prəˈɡɛstɪn

Definitions

1. noun

A synthetic steroid hormone that is used in birth control pills, in hormone replacement therapy, and to treat other conditions.

“The doctor prescribed a progestin to regulate her menstrual cycle.”

2. noun

Any of a group of synthetic steroid hormones that have progestogenic activity.

“Progestins are used in various medications to treat menopausal symptoms.”