1.
morning sickness; nausea of pregnancy
The nausea and vomiting some pregnant people experience, typically in the first trimester. Despite the English name, it can occur at any time of day.
Almost always written in hiragana. The kanji form 悪阻 exists but is rare outside medical contexts. Symptoms typically appear around weeks 5–6 of pregnancy and ease by around week 16.
Common collocations
- つわりがひどい: morning sickness is severe
- つわりが軽い: morning sickness is mild
- つわりで苦しむ: to suffer from morning sickness
- つわりが始まる: morning sickness begins
- つわりが治まる: morning sickness eases
Usage
Used both by the person experiencing it and by family/medical staff discussing it. Neutral register — appropriate in everyday conversation and medical settings alike.