Women lying flat after intercourse for about half an hour to two hours is conducive to conception, it is best to use a pillow to slightly elevate the buttocks to prevent semen flow, it is recommended to choose the day of ovulation or ovulation intercourse, which can greatly improve the chances of conception. Before and after the ovulation, you can have intercourse every two days, and increase the number of intercourse appropriately, which is conducive to the combination of sperm and egg. Pay attention to the mood of relaxation, do not be too nervous, otherwise anxiety will also affect the quality of eggs, not conducive to fertilization. If you do not have intercourse during ovulation or on the day of ovulation, the survival time of the egg is only 1-2 days, and the survival time of the sperm in the vagina is only 2-3 days, so the length of the laying time will not have too much impact on the chances of conception. There are many factors that contribute to the success of pregnancy, and lying down after intercourse only plays a very minor role in promoting pregnancy. It is recommended that women should adopt a healthy lifestyle and keep their moods happy, which is also beneficial to women’s pregnancy.