It is possible to conceive after the follicle has been released. After a woman’s follicle has been expelled, it enters the fallopian tube and is viable for about forty-eight hours, but it is most viable within twenty-four hours, and there is a chance of pregnancy if you have sex at this time. If it is more than twenty-four hours later, the chance of pregnancy decreases. After the male sperm enters the female body, within forty-eight hours the highest vitality, can survive in the female body for about seventy-two hours, more than forty-eight hours, the chances of conception decreased. So when preparing for pregnancy when the woman ovulation, every other day sex, so that the chances of pregnancy is greater. If you have any knowledge about preparing for pregnancy, it is recommended that you consult your doctor, so that you can scientifically prepare for pregnancy and have a healthy baby.