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The Motherisk Nausea and Vomiting of Pregnancy (NVP) ForumMotherisk receives questions from around the world about morning sickness symptoms, effects, treatments and ways to cope. Those questions and answers are posted here for anyone to read, provided the reader acknowledges and accepts the proviso and disclaimer below.
My husband has suggested that my hyperemesis may be due to a malformation with the fetus. Is there a correlation between hyperemesis that lasts throughout the pregnancy and birth defects?
You and your husband can rest assured that nausea and vomiting of pregnancy, which affects 50% to 80% of all pregnant women, as well as hyperemesis (its severe form), are not the predictors of a malformed fetus. On the contrary, some studies have shown that NVP is the sign of a strong, healthy pregnancy and has a protective effect, provided that the diagnosis of hyperemesis has indeed been attributed solely to the pregnancy and no other possible diagnosis.