How long does it usually take to have sex to get pregnant? Pregnancy is an important moment in every woman\’s life, but not everyone is prone to pregnancy. The length of time between sexual intercourse is one of the important factors that affects the chance of pregnancy. So how long does it usually take to have sex to get pregnant? The following is a detailed explanation from four aspects: menstrual cycle, ovulation time, sperm life span, and emotional state. Menstrual cycle The menstrual cycle has a crucial impact on the chances of pregnancy. Under normal circumstances, a woman\’s menstrual cycle lasts 28 days, and ovulation occurs around the 14th day of the menstrual cycle. If you can have sex 4-5 days before ovulation