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Lyme Disease
Lyme disease refers to an infection transmitted to humans by ticks. There are several stages of the illness. In about 80% of those bitten, there is a skin lesion with a distinctive look, called a bull's eye. There may be flu like symptoms. After 4 to 6 weeks, symptoms may become more serious.

At the beginning of the illness, blood tests may not diagnose Lyme disease. A blood test done later in the illness can establish the diagnosis.
We know Lyme disease can cross the placenta. At this time, we don't know if it is dangerous to the baby. Researchers are studying it.
Treatment for Lyme disease requires long-term antibiotic therapy and sometimes intravenous antibiotic therapy. Many medications used to treat Lyme disease are safe to use during pregnancy.
Avoid exposure to Lyme disease, if possible. Stay out of areas known to have ticks, especially heavily wooded areas. If you can't avoid these areas, wear long-sleeved shirts, long pants, a hat or scarf, socks and boots or closed shoes. Be sure to check your hair when you come in; ticks often attach themselves there. Also, check your clothing to make sure no ticks remain in folds, cuffs or pockets.