ABSTRACT - Government reports that 103 pregnant women received smallpox vaccine in national program to prepare for bioterror attack, despite efforts to avoid exposing them to vaccine; say some did not realize they were pregnant, and others conceived in four weeks after receiving shot, despite strong warnings not to become pregnant in that time; doctors say cases are cause for concern because smallpox vaccine can harm fetus (M) Despite efforts to avoid exposing pregnant women to smallpox vaccine, 103 have received it in the national program to prepare for a bioterror attack, the government reported yesterday.

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