How long after conception can the baby enter the uterus?

Patient's question:

No

Doctor's answer:

Usually it's like this: On the day of ovulation, sperm and egg fertilize in the ampulla of the fallopian tube. Then, within three to five days, they gradually migrate into the uterine cavity. After floating around for a few days, they select the best implantation site, then take root and continue the pregnancy.