Week 30 of Pregnancy
Third trimester
For informational purposes only. This page is not medical advice. Every pregnancy is different — always consult your doctor, midwife, or healthcare provider for guidance specific to your situation. In an emergency, call your provider or 911 immediately.
Baby is
about the size of a large cabbage
15.7 inches · 3 lbs
Baby this week
- •Can see light filtering through the uterus
- •Developing more regular sleep and wake cycles
- •Bones are fully formed but still soft and flexible
- •Immune system is developing antibodies from you
You this week
- •Increased swelling in feet and ankles
- •More frequent urination
- •Braxton Hicks contractions becoming more noticeable
- •Possible shortness of breath as baby takes up more space
- •Lower back pain and pelvic pressure
- •Difficulty finding comfortable sleeping positions
This week's tips
- •Schedule your glucose tolerance test (gestational diabetes screening) if you haven't already
- •Practice pelvic floor exercises daily—they help with labor and postpartum recovery
- •Invest in a maternity pillow to support your growing belly during sleep
- •Start thinking about birth preferences and hospital/birth center tour
- •Elevate your feet when resting to help reduce swelling
- •Stay hydrated—it actually helps with swelling and prevents Braxton Hicks
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
You're entering the home stretch! In the coming weeks, your baby will continue to gain weight rapidly and fine-tune reflexes. This is a great time to finalize your birth plan and arrange your support system for labor and postpartum.
Track your pregnancy on BringBaby
Join free to track your pregnancy week-by-week and find baby-friendly places to visit as baby grows.
For informational purposes only. This page is not medical advice. Every pregnancy is different — always consult your doctor, midwife, or healthcare provider for guidance specific to your situation. In an emergency, call your provider or 911 immediately.
This content is for informational purposes only and is not medical advice. Every pregnancy and baby is different. Always consult your doctor, midwife, or pediatrician for guidance specific to your situation.
More free tools
Looking for places to bring baby?
Explore BringBaby