The unexpected upside to morning sickness
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It is dreaded by moms-to-be, but morning sickness is actually a good sign for the baby, an American government study shows, confirming common pregnancy lore and less rigorous research.
Women with nausea early in pregnancy were half as likely to have miscarriages and stillbirths as those who sailed through the first few months. Miscarriages were also less common in women who had nausea plus vomiting, although the benefit was stronger for those who just had nausea.
Led by researchers at the National Institute of Child Health and Human Development, the study involved almost 800 women who?d had at least one miscarriage and then became pregnant again. They were asked to record symptoms in daily diaries for the first eight weeks of pregnancy and in monthly questionnaires through the end of the first trimester. Stefanie Hinkle, the lead author and a researcher at the national institute, called it the most rigorous study to date on the topic, but also noted that it?s unclear if the results would apply to first-time pregnancies. Results were published in JAMA Internal Medicine. The numbers
There were 188 miscarriages and stillbirths, affecting almost one in four pregnancies, which is similar to national estimates. More than 90 per cent occurred in the first trimester.
Of the nearly 800 women in the study, 443 completed daily diaries, and just over half of them reported nausea by the eighth week of pregnancy, also similar to national estimates. About one in four had na...
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