Miscarriage is the loss of a pregnancy before the 20th week. It also may be called a spontaneous abortion. It's estimated that about 10% to 20% of known pregnancies end in miscarriage.

Understanding the Context

But the actual number is likely higher. That's because many miscarriages happen very early in pregnancy, before people realize they're pregnant. You know what M.D. means, but what does D.O.

Key Insights

mean? What's different and what's alike between these two kinds of health care providers?