Q. What is nidation? In which phase of the menstrual cycle does nidation occur?
Nidation is the implantantion of the embryo in the uterus and Nidation takes place around the 7th day after fecundation, that is 7 to 8 days after ovulation obviously, it occurs only if fecundation also take place since it occurs in the luteal phase the progesterone level is high and the endometrium is in its best condition to receive the embryo.