If it is the expected day for the birth of your child and it has not arrived yet, do not worry. Keep in mind that the delivery dateis approximate and there may always be variations, so a few days of delay are considered normal.

Gynecology research in a University in Europe points out that pregnancy is defined as that gestation comprised between 37 and 42 weeks andprolonged pregnancy is that which lasts more than 42 weeks or 14 days after the pregnancy. probable date of delivery(post-term pregnancy)...Read More http://zeliom.com/causes-and-consequences-of-late-birth