The chances of getting pregnant are generally lower, if you want to prepare for pregnancy, it is recommended that you can after the period, perfect preparation for pregnancy check, in the ovulation period of coitus, to increase the chances of getting pregnant. Before menstruation is usually after ovulation, currently in the luteal phase, if not in the ovulation period, then there is no ovulation, generally will not be pregnant. However, clinically, ovulation can also be affected by many factors, such as the environment, stress, emotions and so on. So although the chances of getting pregnant before menstruation are very low, it’s not 100% that you won’t get pregnant. So if you don’t need to have children, it is recommended that you take regular contraceptive measures to avoid the harm caused by unwanted pregnancies. Pay more attention to your diet and nutrition, and don’t be too anxious.