Third Trimester
Week 29: Baby
Here's everything happening with your baby and your body this week.
Your baby is the size of a
Butternut squash
Length
15.2 in
Weight
1.15 kg
Week
29 / 40
💡 Expert tip
Pack your hospital bag between weeks 32–36. Include: your birth plan, insurance cards, comfortable clothing, toiletries, phone charger, and newborn outfit.
🌱 Baby's development this week
- Bones fully formed — hardening continues to birth
- Muscular coordination improving
- Baby
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Science fact
Baby
🤰 Your symptoms this week
Hemorrhoids
treat proactively with fiber, hydration, and witch hazel pads
Insomnia
a combination of physical discomfort and anxiety; short naps are helpful
Sleep on your left side with a pillow between knees. Limit screens before bed. Magnesium-rich foods help.
Heartburn
propped sleeping, no food 2 hours before bed, and antacids approved by your provider
Eat smaller meals, avoid lying down after eating, skip spicy/fatty foods. Antacids (Tums) are safe.
💛 Changes in your body
- Heartburn often worst in third trimester
- Hemorrhoids common from pelvic pressure
- Varicose veins may worsen
- Nesting instinct may begin
💙 Mental health this week
Nesting instinct — the powerful urge to organize and prepare — is a biological phenomenon driven by hormonal changes. Channel it productively, but don
🥗 Nutrition focus
- Calcium priority: 1200–1500mg/day in third trimester — your bones will donate calcium if you
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📅 Appointment / test
Discuss birth preferences including pain management options, delayed cord clamping, and skin-to-skin at your next appointment.
✅ This week's checklist
Start hospital bag — list: birth plan, ID, snacks, phone charger, baby outfit, comfortable robe
Discuss cord blood banking or donation with your provider
Schedule a newborn photography session if desired — book early
Track your pregnancy week by week
Interactive guide · 40 weeks · Fruit size visualizations · Personalized tips
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