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Why Am I Vomiting During Pregnancy?

✍️ Baby Circle Medical Team🗓️ Updated Jul 2026
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Medically reviewed by
Baby Circle Medical Board
Reviewed on 18 July 2026
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Usually morning sickness — but watch for dehydrationEvidence-based & doctor-reviewed

Vomiting in pregnancy is usually part of morning sickness from pregnancy hormones and is common in the first trimester. But frequent vomiting that stops you keeping fluids down may be hyperemesis gravidarum and needs treatment.

Why it happens

The same hormones that cause nausea — mainly hCG and oestrogen — can trigger vomiting, often worse on an empty stomach or with strong smells.

Managing it

Warning signs — hyperemesis

Seek care for vomiting that prevents keeping any fluids down, weight loss, very dark or little urine, dizziness, or vomiting blood.

Frequently asked questions

How much vomiting is too much?

If you cannot keep fluids down or vomit many times a day, contact your doctor.

What is hyperemesis gravidarum?

Severe pregnancy vomiting causing dehydration and weight loss; it needs medical treatment, sometimes IV fluids.

Are anti-sickness medicines safe?

Yes — several are considered safe in pregnancy and can be prescribed when needed.

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References

  1. WHO. Antenatal care recommendations. who.int
  2. ACOG. Pregnancy resources. acog.org
  3. NHS. Pregnancy guide. nhs.uk
  4. CDC. During Pregnancy. cdc.gov
  5. Office on Women's Health (US). womenshealth.gov

Related reading

Why Am I Nauseous?Morning Sickness Remedies That WorkHow Much Water in Pregnancy?📖 40-Week Pregnancy Guide
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.