3rd Trimester

Week 35 of Pregnancy

Your baby weighs about 2.5 kg — brain weighs two-thirds of its final weight. Fat stores increasing rapidly. Time to pack your hospital bag.

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Your Baby This Week

About the size of a pumpkin

Length: ~46cm, 2.5 kg

Quick Answer

At 35 weeks, your baby is about the size of a pumpkin (~46cm, 2.5 kg). Baby’s brain now weighs about two-thirds of its final weight, and fat stores are increasing rapidly — about 200g per week. This is the week to pack your hospital bag. GBS screening window opens now. Five weeks to go, but baby could come anytime from 37 weeks onward.

Baby Development at Week 35

Your baby is putting on significant weight and the brain is in overdrive:

  • Brain weighs two-thirds of final weight — neural connections forming at peak rate. This is why the last few weeks matter so much
  • Fat stores increasing rapidly — baby is getting chubby. Fat helps regulate body temperature after birth
  • Kidneys fully developed — producing approximately 400-600 mL of urine per day
  • Liver can process some waste — but still relies on placenta for most filtering
  • Reflexes are coordinated — sucking, swallowing, grasping all working together
  • Baby is running out of space — movements are more like pushes and rolls than kicks and somersaults

The fat baby is gaining now is different from earlier weeks — this is white fat (for energy and temperature regulation) vs. brown fat (which generates heat). Both are crucial for life outside the womb.

Your Body at Week 35

Five weeks to go. Your body is preparing for labor in ways you can feel.

Common Symptoms

SymptomWhat’s HappeningWhat Helps
Increased Braxton HicksMore frequent and stronger practice contractionsHydrate. Change position. Time them — irregular = Braxton Hicks
Pelvic pressureBaby is heavy and possibly dropping lowerPelvic support belt. Kegels. Rest
Nesting urgeSudden burst of energy to clean, organize, prepareGo with it but don’t overdo it. Don’t climb ladders or lift heavy things
InsomniaCombination of discomfort, anxiety, bathroom tripsWind-down routine. Warm milk. Left side sleeping
Swollen everythingFeet, ankles, hands, face — especially in the eveningElevate. Cool water soak. Remove jewelry if tight
Lightning crotchSharp, shooting pain in pelvis/vagina — baby pressing on nervesBrief and harmless. Change position
Heartburn at peakBaby is pushing stomach up, acid refluxes easilySmall meals. Don’t eat before bed. Antacids (doctor-approved)

The Nesting Instinct

Many women get a sudden urge to deep-clean, organize baby clothes, and prepare everything. This is real — it’s hormonal and evolutionary. Channel it productively but don’t exhaust yourself. Ask your partner to handle the heavy lifting.

Tests & Screenings Due

GBS Screening (35-37 Weeks)

This is a key test. Group B Streptococcus (GBS) is a normal bacteria that can be present in the vagina/rectum. It’s harmless to you but can cause serious infection in newborns during birth.

  • How it’s done: A vaginal and rectal swab. Quick, mildly uncomfortable
  • If positive (10-30% of women are): You’ll receive IV antibiotics during labor (usually penicillin). This reduces transmission risk from 1-2% to less than 0.1%
  • If negative: No treatment needed
  • Important: GBS can come and go, which is why it’s tested late in pregnancy

Routine Visit

  • Blood pressure
  • Urine protein and sugar
  • Fundal height
  • Baby’s position
  • Fetal heart rate

Discuss With Your Doctor

  • Birth plan finalization
  • Signs of labor to watch for
  • When to come to the hospital
  • Pain management options

Nutrition This Week

What to Prioritize

  • Dates (khajur) — start eating 6 dates per day from next week (36 weeks). Studies show this may help with cervical dilation and reduce need for induction
  • Iron — continue supplements. Final hemoglobin check may be done around now
  • Calcium — 1000 mg/day for baby’s bone development
  • Vitamin K-rich foods — for blood clotting. Green leafy vegetables
  • Small, frequent meals — 5-6 times a day to manage heartburn and energy levels
  • Stay hydrated — dehydration can trigger premature contractions

Pre-Labor Energy

In the coming weeks, keep easy-to-eat snacks stocked — granola bars, dry fruits, biscuits. You’ll want quick energy sources during early labor.

Hospital Bag Checklist

Pack it this week. Don’t procrastinate.

For Mother

  • Hospital documents — all reports, ID proof, insurance card
  • 2-3 front-open nightgowns/kurtis (for breastfeeding access)
  • 2-3 nursing bras
  • Maternity pads (heavy flow — regular pads won’t cut it)
  • Comfortable chappal/slippers
  • Toiletries — toothbrush, soap, shampoo, lip balm
  • Phone charger (long cable)
  • Snacks — glucose biscuits, dry fruits, energy bars
  • Water bottle
  • Nursing pillow (optional but helpful)

For Baby

  • 4-5 cotton onesies/jhablas
  • Newborn diapers (1 pack)
  • 2 soft cotton blankets/swaddles
  • 2-3 cotton caps
  • Mittens and socks
  • Towel (soft, small)

For Partner

  • Snacks and water
  • Phone charger
  • Cash and cards
  • Change of clothes
  • List of people to call

When to Call Your Doctor

  • Regular contractions before 37 weeks — every 10 minutes or closer
  • Water breaking — gush or steady trickle. Note the time, color, and smell
  • Heavy vaginal bleeding
  • Severe headache + visual changes — preeclampsia
  • Baby not moving — fewer than 10 movements in 2 hours
  • Sudden severe swelling of face/hands
  • Fever above 100.4°F (38°C)
  • Cord visible or palpable — emergency. Call ambulance immediately

What’s Coming Up

  • Week 36: Weekly visits start. Lanugo shedding. Hair on head present. GBS screening if not done yet
  • Week 37: Early term — baby is no longer premature. Baby may drop into pelvis
  • Week 38-39: Full term. All systems ready. Could come any day

Aapke Sawaal (Common Questions)

GBS positive aaya toh kya hoga?

GBS positive hona common hai — 10-30% pregnant women mein hota hai. Iska matlab ye nahi ki aap ya baby beemar hain. Labor shuru hone par aapko IV antibiotics (penicillin) di jaayengi. Ye baby ko infection se bachata hai. C-section mein bhi antibiotics di jaati hain agar water already break ho chuka ho.

Hospital bag kab pack karna chahiye?

Abhi. 35 weeks pe pack karna ideal hai. Kuch babies 37 weeks pe aa jaate hain aur tab rush mein pack karna mushkil hota hai. Ek bag ready rakhein door ke paas. Partner ko bhi batayein ki bag kahan hai.

Kya 35 weeks pe baby aa jaye toh theek hai?

35 weeks pe born babies usually accha karte hain lekin “late preterm” category mein aate hain. NICU mein kuch din lag sakte hain — feeding establish karne aur temperature maintain karne ke liye. Breathing problems rare hain lekin possible hain. Har extra din andar baby ke liye beneficial hai.

Week 35 Checklist

  • Pack your hospital bag — don't wait any longer
  • GBS screening window opens (35-37 weeks) — schedule the test
  • Continue kick counts daily
  • Attend your fortnightly prenatal visit (weekly starts at 36 weeks)
  • Pre-register at your delivery hospital if not done
  • Install the car seat if you have one
  • Keep your phone charged and hospital route planned
  • Finalize your birth plan with your doctor

Have Questions About Week 35?

Chat with our pediatricians for expert guidance throughout your pregnancy.

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Medically Reviewed

by Babynama Pediatricians · Updated 2026-03-12