탈락막반응 (Decidual Reaction)

임신초기에 수정란이 착상을 시작할 때 자궁내막층에 생기는 변화로 황체홀몬 (Progesterone), 에스트로겐 (Estrogen)blastocyst가 착상하는 자극에 의해 일어납니다.

a feature seen in very early pregnancy that appears in the generalized area where the blastocyst contacts the endometrial decidua. It consists of an increase in secretory functions of the endometrium at the area of implantation, as well as a surrounding stroma that becomes edematous.