Week 31 · Third Trimestermoderate
Nausea at 31 Weeks Pregnant
Nausea is one of the most common early pregnancy symptoms, affecting up to 80% of pregnant women. It can occur at any time of day and typically peaks between weeks 8 and 12.
👶 What's Happening at Week 31
Your baby is now the size of a coconut.
- All five senses are functional.
- The fetus processes information and develops memory.
- The brain's neural connections form at an incredible rate.
🔬 Why You're Experiencing Nausea at Week 31
- Rising hCG (human chorionic gonadotropin) hormone levels
- Increased estrogen and progesterone
- Slowed digestion due to pregnancy hormones
- Heightened sensitivity to smells and tastes
- Low blood sugar, especially in the morning
💊 Relief Tips for Week 31
1
Eat Before Getting UpKeep crackers on your nightstand and eat a few before rising to stabilize blood sugar.
2
Ginger ProductsGinger tea, ginger ale, ginger candies, or ginger supplements have strong evidence for reducing nausea.
3
Vitamin B6 (Pyridoxine)10–25 mg three times daily is often recommended; discuss dosage with your provider.
4
Small Frequent MealsEating every 1–2 hours prevents an empty stomach, which worsens nausea.
5
Cold FoodsCold or room-temperature foods produce fewer odors than hot foods, making them easier to tolerate.
📋 Other Week 31 Symptoms
Frequent urinationBraxton HicksShortness of breathLeaking colostrum
See full Week 31 guide →⚠️ Call Your Doctor If…
- You cannot keep fluids down for more than 12 hours
- You are losing weight (more than 2 lbs in a week)
- You notice signs of dehydration: dark urine, dry mouth, dizziness
- Nausea persists beyond 20 weeks without improvement
Frequently Asked Questions
Is nausea a sign of a healthy pregnancy?
Many women associate nausea with a healthy pregnancy, and studies suggest it may correlate with lower miscarriage risk — but absence of nausea is also completely normal.
When does pregnancy nausea go away?
For most women it resolves by the end of the first trimester (weeks 12–14), though some experience it into the second trimester.
Can nausea harm the baby?
Mild to moderate nausea is not harmful to the baby as long as you stay hydrated and maintain some nutrition.
What triggers pregnancy nausea?
Common triggers include strong smells (cooking, perfume), fatty or spicy foods, an empty stomach, brushing teeth, and heat.
Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult your OB/GYN or midwife about symptoms during pregnancy.