Hormone responsible for decidual reaction and arias Stella reaction in ectopic pregnancy is -: (A) Oestrogen, (B) Progesterone, (C) HCG, (D) HPL
Answer is B. Hormone responsible for decidual reaction and arias Stella reaction in Ectopic as well as Intrauterine pregnancy is Progesterone Arias stella reaction is the localized hypersecretory endometrium seen in ectopic pregnancy.