The woman’s safe period may also be able to get pregnant, but the chances of getting pregnant will be a little bit smaller. Usually the menstrual cycle is more regular, a menstrual cycle in the ovulation period coitus is more likely, follicular phase, luteal phase coitus pregnancy chances are relatively small, menstrual period is not recommended coitus, coitus will not lead to female pregnancy. The follicular and luteal phases are considered the range of safe periods, but safe periods are not absolutely safe. Ovulation can be affected by more factors, there are delayed or early performance, safe period of intercourse will have the possibility of accidental pregnancy. It is recommended that the safe period of intercourse to do a good job of contraceptive measures, did not do contraceptive measures or contraceptive failure, you can take emergency contraceptive pills to remedy within 72 hours, the specific use of drugs recommended to follow the doctor’s instructions.