Implantation occurs on which menstrual
cycle day ?
a) 5-7 days
b) 20-22 days
c) 14-18 days
d) 26-28 days
Correct Answer - B
Ans. is ‘b’ i.e., 20-22 days
Implantation occurs at 6-7 days after fertilization.
Ovulation occurs at 14th day of menstrual cycle and fertilization
occur within 24 hours after ovulation.
Thus, implantation will correspond to 20-22 days of menstrual cycle.