Conceptus reaches uterine cavity at which stage?: (A) 1 cell, (B) 2 cell, (C) 16 cell, (D) 32 cell
Answer is D. Conceptus enters uterine cavity on the 4th day in Advanced morula (>32) cell stage. Note: In IVF Transvaginal inseion into uterus is done at 8 cell stage.