As nouns the difference between blastocyst and contragestive
is that blastocyst is (biology) the mammalian blastula while contragestive is a substance or device that acts to prevent implantation of a blastocyst.
As an adjective contragestive is
acting to prevent implantation of a blastocyst.
contragestive
English
Adjective
(
en adjective)
Acting to prevent implantation of a blastocyst.
Noun
(
en noun)
A substance or device that acts to prevent implantation of a blastocyst.
Related terms
*contragestion