It's normal to feel off-kilter throughout the day during your first trimester. Morning sickness is a bit of a misnomer. Morning sickness is a common complaint of pregnant women. And it's no wonder. Between 60 percent to 80 percent of pregnant women experience this ailment. Experiencing nausea and vomiting any time of the day – morning, noon, or the middle of the night is common.
|Jennifer Mathes, Ph.D.|