Pregnancy · Nausea
PUQE Score — Pregnancy Nausea Severity
3-question pregnancy nausea severity score. Tells you if it's mild morning sickness, moderate (needs antiemetics), or severe (possible hyperemesis — urgent care). Plus what works at each level.
Last reviewed 29 May 2026
How severe is my pregnancy nausea?
What is the PUQE score?
PUQE-24 (Pregnancy-Unique Quantification of Emesis, 24-hour version) — 3-question validated scale grading nausea and vomiting in pregnancy on a scale of 3-15. Used worldwide to triage symptoms and track treatment response. Asks about hours of nausea, vomiting episodes, and retching episodes in the last 24 hours. Takes 2 minutes.
What do PUQE scores mean?
- 3-6 (mild): manage with diet, ginger, B6, rest. Most pregnant women.
- 7-12 (moderate): prescription antiemetics, hydration support, possibly day-case IV fluids.
- 13-15 (severe): highly suggestive of hyperemesis gravidarum. Urgent clinical care; IV fluids, IV antiemetics, possible admission.
What is hyperemesis gravidarum?
Severe pregnancy nausea and vomiting causing dehydration, weight loss, electrolyte imbalance, ketosis. ~1-3% of pregnancies. NOT just bad morning sickness — distinct clinical entity. RCOG diagnostic criteria: persistent vomiting + weight loss ≥ 5% pre-pregnancy weight + ketonuria + electrolyte abnormalities. Can be life-threatening untreated (Wernicke’s from B1 deficiency, Mallory-Weiss tears from retching). NEEDS treatment.
What helps at home (mild)?
- Small frequent meals every 2-3 hours.
- Bland foods first thing — crackers, dry toast before getting up.
- Ginger (tea, biscuits, capsules) — Cochrane-reviewed evidence.
- Avoid trigger smells — cooking, perfume, certain foods.
- Cold foods often better tolerated.
- Stay hydrated — sip electrolyte drinks if vomiting.
- Acupressure wrist bands — mixed evidence; low harm.
- Vitamin B6 / pyridoxine 10-25 mg 3x/day — good evidence.
- Rest.
Prescription antiemetics (moderate-severe)
- Doxylamine + pyridoxine (Diclectin / Diclegis / Xonvea) — FDA pregnancy category A. First-line.
- Cyclizine — UK first-line, ~50 mg every 8h.
- Promethazine — sedating antihistamine; useful at night.
- Metoclopramide — dopamine antagonist; UK limited to 5 days.
- Ondansetron — strong efficacy; small risk of cleft palate at < 10 weeks; QT caution.
- Prochlorperazine (Stemetil) — common UK.
- Oral prednisolone — severe resistant HG.
When to go to A&E or maternity unit
Same-day urgent care if:
- Can’t keep ANY fluids down for 4+ hours.
- Signs of dehydration (dizzy, fainting, very dry mouth, no urine for 8+ hours).
- Vomiting blood (Mallory-Weiss tear from retching).
- Severe abdominal pain.
- Severe headache or vision changes.
- Confusion or hallucinations (Wernicke’s).
- Not improving on oral antiemetics.
- Weight loss > 5% of pre-pregnancy.
How long does pregnancy nausea last?
- Typical window: 4-12 weeks.
- Peak: 8-10 weeks.
- Resolution: 12-14 weeks for ~80%.
- ~20% have ongoing nausea past 20 weeks.
- ~5% nauseated throughout pregnancy.
- HG: often persists into second trimester or whole pregnancy.
- After delivery: resolves immediately.
Different scenarios — what your score means
Scenario 1: PUQE 5 at 7 weeks, can eat small meals, mild vomiting morning only
Mild. Tier 1 measures — small frequent meals, ginger, B6. Will likely improve by 14 weeks.
Scenario 2: PUQE 9 at 10 weeks, vomiting 4-5x/day, can keep some fluids down
Moderate. GP visit for cyclizine or doxylamine/B6. Monitor weight, urine output. If not improving in a week, escalate.
Scenario 3: PUQE 14 at 12 weeks, can't keep anything down, lost 4 kg
Likely hyperemesis gravidarum. Same-day maternity unit / A&E. IV fluids, IV antiemetics (ondansetron, cyclizine), urine ketones, electrolytes. Likely 24-hour admission for stabilisation.
Scenario 4: Second pregnancy, had HG last time, currently 6 weeks and starting nausea
80% recurrence risk. Pre-emptive doxylamine/B6 reasonable. Early antenatal review. Emergency plan ready. Don’t wait until severe to seek help.
Scenario 5: Nausea since week 6, now 22 weeks, still vomiting daily
Prolonged NVP. Continue antiemetics. Worth reviewing — rule out other causes (UTI, thyroid, gallbladder, twin pregnancy). Continue antiemetic plan; usually settles by 28 weeks for most.
Care guidance — surviving pregnancy nausea
- Pre-emptive eating — small protein-rich snack every 2 hours; never let blood sugar drop.
- Crackers by the bed — eat 2 before getting up.
- Mild-flavour toothpaste (kids’ or sensitive).
- Stay hydrated — small sips constantly; ice chips if struggling.
- Ginger — tea, biscuits, capsules, ginger ale (real ginger).
- Avoid trigger smells — cook outside if needed; partner cooks; takeaway / frozen meals temporarily.
- Fresh air, cool room, lying down on side.
- B6 10-25 mg 3x/day.
- Don’t feel guilty for not eating “perfectly”.
- Time off work if you need it — not weakness.
- Mental health — severe nausea is exhausting and demoralising. Look after yours.
- Reach out — Pregnancy Sickness Support UK / HER Foundation US.
Common myths debunked
- “It’s just morning sickness, push through” — severe nausea / HG is a medical condition needing treatment.
- “Antiemetics will harm baby” — commonly-used antiemetics have decades of safety data; the bigger risk is untreated severe nausea.
- “Bad nausea = healthy pregnancy” — mild NVP is associated with lower miscarriage; SEVERE HG is a problem to TREAT, not celebrate.
- “It’s only morning sickness” — many women have nausea all day, not just morning.
- “Saltines and ginger should be enough” — for mild, yes. For HG, no.
Sources
- Koren G, et al. Validation studies of the Pregnancy Unique-Quantification of Emesis (PUQE) scores. J Obstet Gynaecol 2005.
- RCOG Green-top Guideline No. 69. The Management of Nausea and Vomiting of Pregnancy and Hyperemesis Gravidarum.
- NICE CKS. Nausea/vomiting in pregnancy.
- ACOG Practice Bulletin 189. Nausea and Vomiting of Pregnancy.
- Pregnancy Sickness Support UK. Treatment guidance.
- HER Foundation. Hyperemesis Education and Research Foundation.