Week 33 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 pineapple
17.2 inches · 4.2 lbs
Baby this week
- •Eyes can open and close, and can perceive light and dark
- •Bones are hardening, though skull remains flexible for birth
- •Toenails and fingernails are fully formed
- •Practicing breathing motions and swallowing amniotic fluid
- •Most babies have settled into head-down position
You this week
- •Increased Braxton Hicks contractions (practice contractions)
- •Shortness of breath as baby takes up more space
- •Back pain and pelvic pressure
- •Difficulty sleeping and finding comfortable positions
- •Swelling in feet and ankles
- •Frequent urination
- •Fatigue as your body works harder
This week's tips
- •Practice labor positions like hands-and-knees or side-lying to ease back pain
- •Attend childbirth education classes if you haven't already—it's a great time to prepare
- •Wear compression socks to help with swelling and circulation
- •Rest when you can; napping is not lazy, it's necessary preparation
- •Schedule your hospital tour or birthing center visit if you haven't yet
- •Start thinking about feeding choices and gather information if helpful
- •Keep your healthcare provider updated on any concerning symptoms
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
You're entering the final stretch! Over the next weeks, your baby will continue gaining weight and developing their immune system. It's a good time to finalize birth plans, prepare your space, and make sure you have support lined up for after delivery.
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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.
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