Severe sickness during pregnancy can be life-threatening for both mother and child, but women are often told it is all "in their heads," said geneticist Marlena Fejzo, who is on a mission to dispel ...

UCLA researchers have uncovered a link between “morning sickness” symptoms and the body’s natural, but complex, inflammatory response to biological and bodily changes during pregnancy. According to ...

Late last year, geneticists made the discovery that morning sickness's most serious presentation, hyperemesis gravidarum (HG), is caused by the hormone GDF15, not human chorionic gonadotropin as ...

Many pregnant people struggle with nausea and vomiting, especially during the first trimester. The name "morning sickness" makes it sound like a minor inconvenience that goes away with time (and maybe ...

For many pregnant women, morning sickness is one of the toughest early symptoms to manage. The constant nausea can make it difficult to eat, work and just get through the day. Pregnancy nutritionist ...

Morning sickness isn’t just random misery—it’s a biological defense system shaped by evolution to protect the fetus. By linking immune responses to nausea and food aversions, UCLA researchers show ...