Morning sickness, also called nausea gravidarum, nausea, vomiting of pregnancy (emesis gravidarum or NVP), or pregnancy sickness is a condition that affects more than half of all pregnant women, as well as some women who use hormonal contraception or hormone replacement therapy. Usually, it is present in the early hours of the morning and reduces as the day progresses. The nausea can be mild or induce actual vomiting. In extreme cases, vomiting may be severe enough to cause dehydration, weight loss, alkalosis and hypokalemia.
In the largest study of its kind, Ottawa researchers found that children whose mothers reported using cannabis during pregnancy were at greater risk of autism.
Researchers from the University of Cambridge have devised a new model to analyze an early stage of human development through human embryonic stem cells.
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