Just came to finish menstruation the next day with the same room will be pregnant

In the second day after the end of menstruation with sex is not pregnant, because this time the follicle is in the development period, the female body and there is no mature egg, so after the same room can not form fertilized eggs, so will not be pregnant. Since sperm can survive for two to three days in a woman's body, it is easy to conceive in the first three days and five days after ovulation.