In pregnancy, Chicken Pox is extremely dangerous, both because it's dangerous in adults anyway and because pregnancy alters the immunological strength of the expectant mother. Varicella pneumonia is the complication that is feared, and such a complication can even lead to death! Risk to the baby is more likely if infected in early pregnancy than late.
The Joy of Pregnancy: The Complete, Candid, and Reassuring Companion for Parents-to-Be
