Erythropoiesis in first two months of gestation age takes place in: (A) Yolk sac, (B) Placenta, (C) Amniotic sac, (D) Chorion
Answer is A. In the first 2 month of gestation. the yolk sac is the main site of blood formation (MESOBLASTIC PHASE) Ref: Medical Physiology Indu Khurana 2015 edition pAge No:104