Week 33 of Pregnancy: Baby’s Rapid Growth and Maternal Changes

Baby Size at Week 33: Your baby is now about the size of a pineapple, measuring approximately 17.2 inches (43.7 cm) from head to toe and weighing around 4.2 pounds (1.9 kg).

Development of the Baby: During week 33, your baby’s growth is in full swing. They are gaining weight rapidly and their organs, muscles, and bones are continuing to develop. The baby’s skin is becoming less translucent as fat layers fill in beneath it. The lungs are almost fully developed, and your little one is practicing their breathing movements.

Changes and State in the Mother’s Body:

  1. Increased Pressure: As your baby grows, you may feel increased pressure on your bladder, leading to more frequent trips to the bathroom.
  2. Braxton Hicks Contractions: You may experience more noticeable Braxton Hicks contractions as your body prepares for labor. These contractions are usually irregular and painless.
  3. Fatigue: You may feel more tired than usual due to the physical demands of pregnancy and the extra weight you are carrying.
  4. Backaches: As your belly continues to grow, you may experience more frequent backaches. Good posture and gentle stretching exercises can help alleviate the discomfort.
  5. Swelling: Some swelling, particularly in the feet and ankles, is common during this stage of pregnancy. Elevating your legs and wearing comfortable shoes can help reduce swelling.

Common Symptoms:

  • Heartburn and indigestion
  • Shortness of breath
  • Braxton Hicks contractions
  • Frequent urination
  • Swollen feet and ankles

Tips for Week 33:

  1. Stay Active: Engage in gentle exercises such as walking or prenatal yoga to stay active and help alleviate discomfort.
  2. Take Breaks: Make sure to take regular breaks throughout the day to rest and elevate your feet to reduce swelling.
  3. Practice Good Posture: Maintain good posture to alleviate backaches. Use a chair with proper support and consider using a pregnancy support belt.
  4. Stay Hydrated: Drink plenty of water to stay hydrated and help reduce the occurrence of Braxton Hicks contractions.
  5. Prepare for Breastfeeding: Consider attending a breastfeeding class or reading books about breastfeeding techniques to prepare for your baby’s arrival.


  1. Can I still exercise during week 33 of pregnancy?
    • Yes, you can continue to exercise during week 33 of pregnancy. However, it’s important to listen to your body and choose low-impact exercises that are safe for pregnancy. Consult with your healthcare provider for personalized advice.
  2. Is it normal to have difficulty sleeping at this stage?
    • Yes, many pregnant women experience difficulty sleeping during the third trimester due to discomfort, frequent urination, and hormonal changes. Try using pillows for support and establishing a relaxing bedtime routine to promote better sleep.
  3. How can I relieve heartburn and indigestion in week 33?
    • To relieve heartburn and indigestion, eat smaller, more frequent meals, avoid spicy and greasy foods, and try propping yourself up with pillows while sleeping. Over-the-counter antacids may also provide temporary relief, but consult with your doctor before taking any medication.

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