mestranol

[ mes-truh-nawl, -nol ]

noun

, Pharmacology.

1. an estrogen, C 2 1 H 2 6 O 2 , used in oral contraceptives in combination with a progestin.

mestranol

/ -ˌnəʊl; ˈmɛstrəˌnɒl /

noun

1. a synthetic oestrogen used in combination with progestogens as an oral contraceptive. Formula: C 21 H 26 O 2

Word History and Origins

Origin of mestranol¹

1960–65; contraction and rearrangement of methoxy- and ethynylestradiol, components of the chemical name

Word History and Origins

Origin of mestranol¹

C20: from m ( ethyl ) + ( o ) estr ( ogen ) + ( pregn ) an ( e ) (C 21 H 36 ) + -ol

Example Sentences

One of the steps in the syntheses for preparing norethynodrel resulted in the formation of the potent estrogen mestranol as a very minor byproduct.

From Washington Post

High-dose estrogen pills -- those containing 50 micrograms ethinyl estradiol or 80 micrograms mestranol -- were associated with nearly a three-fold higher risk of breast cancer, she said.

From US News

Risks seemed lower with moderate-dose estrogen pills -- those with 30 to 35 micrograms of ethinyl estradiol or 50 micrograms mestranol were linked to a 1.6 times higher risk of breast cancer.

From US News