How many days is pregnant?

In fact, it is very normal, although you can detect pregnancy but can not be sure that it is pregnant on a certain day, so according to the last menstruation to calculate, to the fetus slowly formed after the B super more accurate check out the number of days pregnant, because B is through the baby in the maternal development to calculate, this also shows the baby is too big or too small this situation. However, no matter how big or small the baby is, as long as it is healthy and healthy, it is only necessary to know that the baby has a mental preparation.