After ovulation, the egg unites with the sperm to form a fertilized egg, which needs to bed down on day 6-7 and re-enter the uterus to develop. On the 3rd-4th day after fertilization, which is around the 10th-15th day after ovulation, if menopause occurs, you can test by early pregnancy test, or you can find a small gestational sac indicating pregnancy by gynecological ultrasound around 20-30 days after the fertilized egg has developed. After the fertilized egg is laid, there will be sensation, the basal body temperature will drop, not exceeding the normal range, the areola will gradually deepen, the breasts will become distended and painful, accompanied by poor appetite and easy fatigue, a small number of women have vaginal bleeding, which can stop by itself. It is recommended that women have sex during ovulation, observe several times to see if there is any pregnancy discomfort, and check and determine as soon as possible.