progesterone

noun

pro·ges·ter·one | \ prō-ˈje-stə-ˌrōn

Definition of progesterone

: a female steroid sex hormone C₂₁H₃₀O₂ that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus also : a synthetic steroid resembling progesterone in action

Examples of progesterone in a Sentence

Recent Examples on the Web The first drug, mifepristone, blocks the effects of progesterone, a hormone without which the lining of the uterus begins to break down. — Adam Liptak, New York Times, "Supreme Court Revives Abortion-Pill Restriction," 12 Jan. 2021 And when the normal balance of estrogen, progesterone, and androgens (such as testosterone) is disrupted, this can cause symptoms such as irregular periods, acne, excess facial hair, hair loss, and fertility issues. — Sarah Jacoby, SELF, "Keke Palmer Reveals She Has PCOS—and She Had to Fight for a Diagnosis," 2 Dec. 2020 There’s a big risk involved with taking progesterone. — refinery29.com, "Fertility Diary: 2 Rounds Of IVF & Chronic Endometritis," 30 Nov. 2020 The first pill is usually mifepristone, which stops the pregnancy growth by blocking the progesterone. — Laura Hancock, cleveland, "Ohio House sends Gov. Mike DeWine bill banning medication abortions via telemedicine," 18 Dec. 2020 Both estrogen and progesterone affect sleep quality and quantity; as your hormones drop, sleep disturbances rise, resulting in poor recovery. — Lindsay Warner, Outside Online, "The Athlete's Guide to Menopause," 8 Dec. 2020 During this time, the hormones estrogen and progesterone increase in the body and are usually to blame for bloating. — Erica Sweeney, Good Housekeeping, "Why Am I Always Bloated? 10 Reasons Your Belly Feels Swollen and Inflated," 28 Nov. 2020 Estrogen can heighten water retention, and progesterone can slow the gastrointestinal (GI) tract, causing constipation in the long run. — Erica Sweeney, Good Housekeeping, "Why Am I Always Bloated? 10 Reasons Your Belly Feels Swollen and Inflated," 28 Nov. 2020 Products such as Proov help women measure progesterone, the hormone linked to the potential of pregnancy after ovulation. — Coral Murphy, USA TODAY, "At-home fertility tests help women undergoing treatments make progress amid coronavirus," 23 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'progesterone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.