Is the first day pregnant?

The first day of the end of the menstrual cycle or the possibility of pregnancy. For some women with a short menstrual cycle time, there will be a female ovulation period at the end of the menstrual period, and there is a possibility of pregnancy in the same room, and the probability of pregnancy in the same room during the ovulation period is not small. For example, the menstrual cycle is 25 days, ovulation period is in the sixth to fifteenth day of menstruation. If the woman's menstrual cycle bleeding is seven days to stop, then menstruation is just clean, that is, ovulation period, and also relatively close to ovulation day, will occur in the same room pregnancy situation, so whether they will enter the ovulation period, to combine their menstrual cycle to see.