31 Weeks Pregnant

Your baby this week

Your baby weighs about 3.3 pounds and is roughly 16 inches long, about the size of a coconut. All five senses are now active — baby can see light filtering through the womb, hear your voice, and even taste the amniotic fluid. The brain is forming trillions of neural connections at an astonishing rate, processing information from every sense. Baby's head may turn toward a bright light source held near your belly. The irises can now dilate and constrict in response to light, a significant neurological milestone.

How you may feel

Braxton Hicks contractions may become more frequent and noticeable as your uterus practices for labor. You might notice colostrum, a yellowish pre-milk, leaking from your breasts — this is your body preparing to nourish your baby. Shortness of breath continues as your uterus pushes up against your diaphragm. You may experience more frequent backaches and hip pain as your ligaments continue to loosen due to relaxin hormone. Sleep disruptions are common due to the difficulty finding a comfortable position and frequent bathroom trips.

Common symptoms

• Braxton Hicks may become stronger and more noticeable after physical activity.
• Leaking colostrum (early breast milk) from your nipples is normal.
• Hip and pelvic pain worsen as the hormone relaxin loosens your joints.

This week's tips

Wear nursing pads if you notice breast leakage — this is completely normal and a sign your body is preparing for breastfeeding. Continue counting fetal kicks daily; aim for 10 movements within 2 hours during baby's active periods. Stay well-hydrated with at least 10 cups of water per day to help with amniotic fluid levels and prevent preterm contractions. Consider starting perineal massage to help prepare your body for delivery. If you haven't already, sign up for a childbirth preparation class — many hospitals offer weekend crash courses.

Eating well

• Eat calcium-rich foods 3–4 times daily — baby's bones are rapidly mineralizing.
• Include lean proteins at every meal — chicken, fish, beans, eggs, or tofu.
• Snack on dates — studies suggest eating 6 dates per day from week 36 may ease labor.

Nutrition focus

• Vitamin B12 (2.6 mcg/day) is essential for baby's nervous system development.
• Zinc (11 mg/day) supports immune function — found in beef, pumpkin seeds, and chickpeas.

Everyday wellbeing

• Wear a supportive maternity bra and use breast pads for colostrum leaks.
• Practice pelvic tilts to relieve back pain and help position baby optimally.
• Pre-register at your hospital or birthing center to save time on delivery day.

For your partner

Help install the car seat now and make sure it's properly fitted — many fire stations and hospitals offer free car seat inspections. Practice the installation so you're confident before the big day. Start discussing your birth preferences together, including pain management options and who will be in the delivery room. This is also a great time to start stocking the freezer with easy-to-reheat meals for after baby arrives.

Signs to mention to your provider

• Contractions that grow closer together and don't stop with rest — call your provider.
• Intense pelvic pressure with rectal pressure may indicate the baby is very low.
• Swelling that develops suddenly (overnight) could signal preeclampsia.

Disclaimer: BabyBerry is for general information and self-tracking. It is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.

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