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Word of the Day Wednesday, June 10, 2026

progesterone

/prəˈdʒɛstərɒn/ noun · British & US
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What does progesterone mean?

noun

A steroid hormone involved in the menstrual cycle and pregnancy, produced by the ovaries and placenta. It helps to prepare the uterus for pregnancy and maintains the pregnancy.

Example

"The doctor prescribed progesterone to help regulate the patient's menstrual cycle."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for progesterone

Antonyms of progesterone

Rhymes with progesterone