3 days after ovulation the body will not feel the sensation that heralds implantation because it is not yet time for the fertilized egg to implant, and usually women have no symptoms when it does. 3 days after ovulation, the sperm combines with the egg for a maximum of 3 days. However, it takes 6-7 days for the fertilized egg to implant, so the body will not feel anything 3 days after ovulation to signal implantation. Generally, women do not experience any symptoms of implantation either, but some women experience a small amount of vaginal bleeding and mild abdominal pain during implantation, but this symptom is not common. The way to be sure that a woman is pregnant is to check for positive blood or urine HCG after menopause, and early pregnancy reactions such as nausea, vomiting, and drowsiness that occur after pregnancy. The earliest sign that a woman is pregnant is when she stops menstruating and there is no way to determine pregnancy by earlier symptoms. Women need to be patient and wait to determine if they are pregnant.