Menstrual cycle of 25 days will not affect pregnancy, as long as the menstrual period is normal, whether it is easy to get pregnant or not has little to do with the length of the menstrual cycle. Normal menstrual cycle is usually 21-35 days, an average of 28 days, menstrual cycle 25 days in the normal range, will not affect pregnancy. However, whether it is easy to get pregnant is related to individual differences, coitus time, psychological factors and many other reasons, as long as the menstruation is normal, instead of the time of the menstrual cycle has little to do with. Women who want to improve their chances of getting pregnant can rationalize the timing of intercourse. Can through the menstruation or monitoring ovulation, presumption of ovulation, in the ovulation period appropriate to increase the number of coitus, can increase the chances of pregnancy. It is also important to relax, do not have too much pressure, emotions are also very affective to pregnancy.