Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
Read more health news
vaginal bleeding during pregnancy or shortly after a pregnancy, miscarriage, or abortion
severe nausea and vomiting, often bad enough to require treatment in the hospital
a uterus that grows slower or faster than normal during pregnancy
symptoms from an abnormally high level of thyroid hormone, also called hyperthyroidism
high blood pressure that begins for the first time in the first trimester. This may mean that preeclampsia, also called toxemia of pregnancy, is present.
symptoms of the tumor or cancer spreading to other organs. For example, coughing up blood may occur if the tumor goes to the lungs, or abdominal pain if the tumor goes to the liver.