1920s; earliest use found in Proceedings of the Royal Society of London. Apparently from post- + ovulate + -ive; compare slightly earlier post-ovulatory.
Definition of post-ovulative in US English:
post-ovulative
adjective
Medicine
= post-ovulatory.
Origin
1920s; earliest use found in Proceedings of the Royal Society of London. Apparently from post- + ovulate + -ive; compare slightly earlier post-ovulatory.