from the underlying pathology which is unrelated to the pregnancy. It does not result from the loss of the calcium stores, which is secondary to the pregnancy. If the tooth mobility increases, this problem typically resolves postpartum [10]. Morning sickness is a common problem which is encountered by women, early in their pregnancies. The increased gonadotropins in the first trimester, are associated with nausea and vomiting. Increased levels of progesterone, by a central-acting mechanism slow the gastric emptying. The gastric acids which are present in the emesis, erode the enamel on the inner surface of the teeth, most commonly the front teeth. This is a concern only in the cases with frequent vomiting, for example, in bulemics and in patients with hyperemesis gravidum