Q. Which of the following hormones is secreted by implanted blastocyst, that acts on the corpus luteum in the ovary, stimulating the body to produce oestrogens and progesterone to maintain the uterine lining?

A) Oestrogen
B) HCG
C) Progesterone
D) Oxytocin
Explanation

Blastocyst secretes a hormone called human chorionic gonadotropin (hCG), which maintains the corpus luteum in the ovary.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.