First Signs of Miscarriage. One of the first signs of miscarriage is vaginal bleeding. Up to 25 percent of all pregnant women have bleeding at some point in pregnancy, about half of those will have a miscarriage. Bleeding that is a sign of miscarriage may be scant or heavy.
Signs and Symptoms of Iron Deficiency. Signs and symptoms of iron deficiency may include brittle nails, swelling or soreness of the tongue, cracks in the sides of the mouth, an enlarged spleen, and frequent infections. People who have iron-deficiency anemia may have an unusual craving for nonfood items, such as ice, dirt, paint, or starch.
While these white spots may be the result of a zinc deficiency, it is likely that other signs of zinc deficiency, such as hair loss or a slow immune system, would be present as well. Occasionally, a few white spots on fingernails may indicate an allergic reaction to a product used on the nail, such as nail polish, hardener, or polish remover.