Until about five years ago, scientists believed the pregnancy hormone, human chorionic gonadotropin (hCG), was the culprit.

I threw up every single day of my pregnancy. Everything made my stomach turn—water, crackers, a hopeful sip of ginger ale; the things you’re supposed to try when you are sick. But this was not regular ...

Roughly 70 percent of pregnant people experience morning sickness: bouts of nausea or vomiting, or both, that put them off their food and send them running for the toilet. Despite its name, the ...

Morning sickness can start as early as the fifth week of pregnancy. Most people see an improvement in symptoms by the end of the first trimester. Feeling sick during pregnancy is common and usually ...

Pregnant woman pictured standing in front of a bathroom mirror holding her mouth as if she's going to be ill. Nausea and vomiting are extremely common in the early stages of pregnancy, and they've ...

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 ...

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 ...

January is the most popular month of the year for women to find out they’re pregnant, but that discovery sometimes comes with pesky side effects. Morning sickness has always affected pregnant women, ...

The staggering toll of hyperemesis gravidarum—an extreme form of morning sickness—on pregnant women has been revealed by a new study, with more than half of subjects saying they had considered ending ...