11 Weeks Pregnant
During week 11, your baby is undergoing rapid organogenesis. Every day, millions of new cells are forming the foundations of the brain, heart, and limbs. They are safely tucked away in the amniotic sac, receiving all their nutrition through the developing umbilical cord.
Baby's Development This Week
During week 11, your baby is undergoing rapid organogenesis. Every day, millions of new cells are forming the foundations of the brain, heart, and limbs. They are safely tucked away in the amniotic sac, receiving all their nutrition through the developing umbilical cord.
- The fetus is moving actively — kicks, stretches, and hiccups.
- Hair follicles begin forming.
- Nail beds develop on fingers and toes.
- The diaphragm is forming.
- External genitalia are developing but still too early to determine sex on ultrasound.
- About 4.1cm — the size of a fig.
Your Symptoms at Week 11
You are still in the early stages of your journey at week 11. Your body is working overtime to produce the hormones needed to support the pregnancy, which can lead to symptoms like fatigue and nausea. It's important to prioritize rest and stay hydrated during this demanding time.
Continue small, frequent meals. (mild)
Energy should begin improving soon. (moderate)
Eat slowly, avoid gas-producing foods. (moderate)
Stay hydrated; acetaminophen if needed. (mild)
Use gentle, pregnancy-safe skincare products. (mild)
When to Call Your Doctor
- Any vaginal bleeding
- Fever over 100.4°F
- Severe nausea preventing food and water intake
- Signs of UTI (burning, urgency, cloudy urine)
Week 11 Checklist
- ✓Complete first-trimester screening if planned (recommended)
- ✓Continue daily prenatal vitamin (essential)
- ✓Start planning how and when to share pregnancy news (optional)
- ✓Consider maternity clothing for comfort (optional)