How soon after sex does implantation occur
All hormonal contraceptives are associated with changes in menstrual bleeding patterns. The egg must attach to the uterus to become a viable pregnancy. Early Signs of Pregnancy. Birth Control The birth control implant: myths and misconceptions Is it painful to have an implant inserted? Visit Insider's homepage for more stories. Once it meets the egg, the nuclei from the egg and sperm merge and share their genetic material 1,7. So why does this matter?