progestational

adjective

pro·​ges·​ta·​tion·​al ˌprō-ˌje-ˈstā-shnəl 

-shə-nᵊl

: preceding pregnancy or gestation

especially : of, relating to, inducing, or constituting the modifications of the female mammalian system associated especially with ovulation and corpus luteum formation

progestational hormones

Word History

Etymology

pro- entry 1 + gestation + -al entry 1

Note: The term was apparently introduced by the American anatomist and embryologist George Washington Corner (1889-1981) in "Oestrus, Ovulation and Menstruation," Physiological Reviews, vol. 4, no. 3 (October, 1923), pp. 457-82.

First Known Use

1923, in the meaning defined above

Medical Definition

progestational

adjective

pro·​ges·​ta·​tion·​al ˌprō-ˌjes-ˈtā-shnəl, -shən-ᵊl 

: preceding pregnancy or gestation

especially : of, relating to, inducing, or constituting the modifications of the female mammalian system associated especially with ovulation and corpus luteum formation

progestational hormones