Having intercourse around a week after ovulation may have an effect on the fertilization of the egg. Women who are planning to conceive and have intercourse two days before or after ovulation are likely to conceive, considering that sperm survives in a woman’s body for up to 48 hours. If successfully conceived, the fertilized egg will be successful in 7-10 days after intercourse, so about a week after ovulation is not recommended to have intercourse, otherwise it is easy to cause the female uterus contraction, the success of the fertilized egg is a certain impact. Women who are planning to get pregnant, it is recommended to arrange for coitus in the days between ovulation, and not to arrange for coitus after the ovulation period to avoid affecting the implantation. Women who have been preparing for pregnancy for a long time without success are advised to go to the Obstetrics and Gynecology Department of the hospital for a systematic checkup, and if necessary, clinical ultrasound ovulation monitoring can be carried out under the guidance of the doctor to ensure that the golden period of conception is seized, and to improve the success rate of conception.