When a woman is ovulating, she can usually arrange to have sex once or three times so that she can effectively improve her chances of conception. The best time to arrange sex during ovulation is before bedtime. If you have sex at other times, you may not stay in bed for a long time, for example, some standing up or activities may lead to the outflow of semen in the vagina, reducing the probability of conception. Therefore, if a woman is sure to ovulate during the ovulation period, usually after arranging sex at night before going to bed, and properly padded hips, which can effectively increase the chances of conception. For women who are not sure about ovulation, they can use ovulation test strips or go directly to the hospital for ovulation detection through ultrasound.