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Lyme disease during pregnancy

Lyme disease is a tick borne illness caused by a spirochete, Borrelia burgdorpheri (1). The first symptom, is a distinctive skin lesion, erythema chronicum migrans, at the site of the tick bite (2). Early in the disease the spirochete spreads hematogenously and during pregnancy it may even spread transplacental to the fetus (3). Usually antibiotic treatment with tetracycline, penicillin, or eryhromycin will be curative (4).