Why Am I Nauseous During Pregnancy?
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Medically reviewed by
Baby Circle Medical Board
Reviewed on 18 July 2026
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Rising hCG and oestrogen drive morning sicknessEvidence-based & doctor-reviewed
Nausea (morning sickness) is caused by rising hCG and oestrogen. It usually starts around week 6, peaks near weeks 9–11, and eases by weeks 12–16 — and it can strike any time of day, not just mornings.
Why it happens
The pregnancy hormone hCG rises quickly in the first trimester, along with oestrogen and a heightened sense of smell, triggering nausea.
How to ease it
- Eat small, frequent meals; avoid an empty stomach.
- Try ginger and keep dry crackers by the bed.
- Avoid strong smells and greasy foods.
- Ask your doctor about vitamin B6.
When to see a doctor
Seek care if you cannot keep fluids down, are losing weight or feel faint — this may be hyperemesis gravidarum, which is treatable.
Frequently asked questions
Is nausea a good sign?
It is very common and often linked to a healthy pregnancy, but its absence is also perfectly normal.
Does ginger help?
Yes — ginger has good evidence for easing mild pregnancy nausea.
When should I worry?
If you cannot keep fluids down or are losing weight, contact your doctor.
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Join The Circle40-Week GuideReferences
- WHO. Antenatal care recommendations. who.int
- ACOG. Pregnancy resources. acog.org
- NHS. Pregnancy guide. nhs.uk
- CDC. During Pregnancy. cdc.gov
- Office on Women's Health (US). womenshealth.gov
Related reading
Medical disclaimer: This article is for general education only and is not a substitute for professional medical advice. Always consult your doctor about your pregnancy and health, and seek care immediately for any warning signs. Reviewed by the Baby Circle Medical Board.