morning sickness

American  

noun

1. nausea occurring in the early part of the day, especially as a characteristic symptom in the first months of pregnancy.

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morning sickness British  

noun

1. nausea occurring shortly after rising: an early symptom of pregnancy

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Etymology

Origin of morning sickness

First recorded in 1875–80

Example Sentences

See Examples For:

morning sickness

One version of the molecule helped treat morning sickness in pregnant women, while its mirror image caused serious birth defects.

From Science Daily ● Mar. 21, 2026

The intense morning sickness she endured during the pregnancy had eroded the enamel on her teeth.

From The Wall Street Journal ● Dec. 28, 2025

As Rachel’s dose continued to rise, she says her symptoms became worse and she also started to feel nausea and pregnancy-like symptoms, such as morning sickness.

From BBC ● Sep. 30, 2024

When it comes to medications that can lessen the symptoms of HG, there’s the old nausea standby of Zofran, and there’s Unisom, which is used for morning sickness.

From Slate ● Sep. 15, 2024

Emma suffered from morning sickness and other discomforts of pregnancy; Charles had headaches and was often nauseated.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman