Week 33 of Pregnancy
Third trimester
Baby is
about the size of a pineapple
17.5 inches · 4.5 lbs
Baby this week
- •Bones are hardening, though skull remains soft for delivery
- •Eyes can open and close, and baby is responding to light
- •Baby is practicing breathing movements and swallowing
- •Fat layers continue developing under the skin for temperature regulation
You this week
- •Increased swelling in feet, ankles, and hands
- •Braxton Hicks contractions may feel stronger and more frequent
- •Back and pelvic pain as baby's weight shifts lower
- •Shortness of breath as uterus presses higher on lungs
- •Frequent trips to the bathroom
- •Possible insomnia or difficulty finding comfortable sleeping positions
This week's tips
- •Sleep on your left side to improve circulation and reduce swelling
- •Elevate your feet whenever possible to manage edema
- •Practice pelvic floor exercises to prepare for labor and postpartum recovery
- •Stay hydrated despite frequent bathroom trips—it actually helps reduce swelling
- •Wear supportive, flat shoes and consider compression socks if swelling is significant
- •Do gentle stretches or prenatal yoga to ease back pain
Looking ahead
You're entering the final stretch—only 7 weeks to go! This is a great time to finalize your birth plan, install car seats, and complete any remaining nursery preparation. Baby is moving lower into the pelvis, which may relieve some pressure on your ribs but increase pressure below.
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