Week 40 of Pregnancy

Quick Answer

It’s your due date! Your baby is about 51cm and 3.5 kg. But here’s the thing — only 5% of babies are born on their due date. The average Indian newborn weighs 2.5-3.5 kg, so your baby is right on target. Most first-time mothers deliver between 40-41 weeks. If baby doesn’t come today, don’t panic. You’ll be monitored closely, and induction is typically discussed at 41 weeks if labor hasn’t started on its own.

Baby Development at Week 40

Your baby is fully developed and ready to meet you:

• All systems fully functional — lungs, heart, digestive system, immune system
• Average weight: 3.5 kg — average Indian newborn range is 2.5-3.5 kg. Babies vary widely in size and all within this range are healthy
• Length: ~51 cm — measured crown to heel
• Head is firm but moldable — skull bones are designed to overlap slightly during birth (this is why newborns sometimes have a cone-shaped head — it goes back to normal)
• Vernix mostly absorbed — some traces remain in skin folds
• Immune system has your antibodies — passive immunity for the first few months
• Baby is ready to breathe — the first breath triggers a cascade: fluid in the lungs is absorbed, surfactant keeps the air sacs open, oxygen enters the blood

The moment of first breath is one of the most remarkable transitions in human biology. Your baby has been “breathing” amniotic fluid for months — in seconds, they switch to breathing air.

Your Body at Week 40

You’ve been pregnant for 280 days. Your body has done something extraordinary.

Common Symptoms

Symptom	What’s Happening	What Helps
Impatience	Everyone asking “baby aa gaya?” — it’s maddening	Ignore the messages. Baby comes when baby’s ready
Heavy, uncomfortable	You’re carrying 3.5 kg of baby plus placenta, fluid, extra blood	Rest. Almost over
Contractions — real or practice?	Could be either. Time them carefully	5-1-1 rule. Regular + getting stronger = real
Cervical changes	May be dilated 1-3 cm without active labor	Dilation without contractions = waiting game
Exhaustion	Physical and emotional	Rest aggressively. You’ll need energy
Back pain	Constant low back ache. Baby’s head pressing on sacrum	Warm compress. Birthing ball. Gentle rocking
Nesting — final burst	Urge to prepare everything perfectly	Channel it but don’t exhaust yourself

Overdue Pregnancy — What If Baby Doesn’t Come?

First, Relax

Only 5% of babies are born on their due date. Your due date is an estimate based on a 280-day cycle from your last period. The actual “term” window is 37-42 weeks.

Timeline After Due Date

40-41 weeks:

• You’ll have more frequent monitoring — NST (non-stress test) 1-2 times per week
• Amniotic fluid check (ultrasound) to make sure levels are adequate
• Baby’s movements continue to be the most important daily check
• Walk, stay active, eat dates, stay hydrated
• Natural methods: walking, nipple stimulation (ask doctor first), membrane sweep (your doctor may offer this — it involves gently separating the membranes from the cervix)

41 weeks:

• Most doctors will discuss induction seriously at this point
• Risk of complications (placental insufficiency, meconium aspiration, stillbirth) starts increasing slightly after 41 weeks
• Induction doesn’t mean something is wrong — it means it’s safer to have baby out than to keep waiting
• If cervix is favorable (soft, partially dilated), induction is usually straightforward

42 weeks:

• Post-term pregnancy. Most guidelines recommend delivery by 42 weeks
• Very close monitoring with daily/frequent NST
• Induction strongly recommended if not already done

How Induction Works

If your doctor recommends induction:

1. Cervical ripening — if cervix isn’t ready, prostaglandin gel or a Foley balloon may be used to soften and dilate it
2. Oxytocin (Pitocin) drip — synthetic oxytocin through IV to start/strengthen contractions
3. Artificial rupture of membranes (ARM) — breaking the water to speed things up
4. Duration — induction can take 12-24+ hours, especially for first-time mothers with an unripe cervix
5. Pain management — induced contractions can be more intense. Epidural is a reasonable choice

Induction doesn’t automatically mean C-section, but the chances are slightly higher (especially if cervix isn’t ready). Discuss this openly with your doctor.

Membrane Sweep

Your doctor may offer this at 40-41 weeks:

• Finger inserted through cervix to separate the amniotic membrane from the lower uterine wall
• Releases prostaglandins naturally
• Can trigger labor within 48 hours in some women
• Uncomfortable but not usually painful
• Not guaranteed to work — may need to be repeated

Labor Signs — Final Review

Pre-Labor (Hours to Days Before):

• Bloody show — mucus with pink/brown blood
• Loose stools, diarrhea
• Nesting urge peaks
• Back pain that comes and goes
• Restlessness, emotional intensity
• Slight weight loss (1-2 kg water weight)

True Labor:

• Regular contractions — forming a pattern, getting closer together
• Getting stronger — each one more intense than the last
• Start in back — radiate to front (unlike Braxton Hicks which stay in front)
• Don’t stop with rest — walking, position change, water — nothing stops them

The 5-1-1 Rule:

Contractions every 5 minutes, lasting 1 minute, for 1 hour. Time to go.

Go IMMEDIATELY If:

• Water breaks — gush or trickle. Note color: clear = normal, green/brown = meconium (emergency)
• Heavy vaginal bleeding — soaking a pad
• Severe headache + visual changes — blurred vision, seeing spots
• Baby not moving — reduced or no movement for hours
• Cord visible or felt — call ambulance. All fours, chest down, hips up. Do not push cord back
• Severe constant abdominal pain — not in contractions pattern

After Birth — What Happens in the First Hour

For Baby:

1. Placed on your chest — skin-to-skin immediately (if vaginal birth and baby is well)
2. Cord clamped — delayed clamping (1-3 minutes) recommended by WHO
3. Apgar score — assessed at 1 and 5 minutes (color, heart rate, reflexes, muscle tone, breathing)
4. Dried and kept warm — hypothermia is a risk for newborns
5. First breastfeed — within 1 hour. Colostrum (first milk) is liquid gold for immunity
6. Birth vaccines within 24 hours — BCG, Hepatitis B, OPV-0
7. Vitamin K injection — prevents hemorrhagic disease of the newborn
8. Weight and measurements — recorded for records

For You:

1. Placenta delivery — stage 3, usually within 30 minutes
2. Stitches if needed — episiotomy or tear repair under local anesthesia
3. Uterine massage — to help uterus contract and reduce bleeding
4. Monitoring — blood pressure, bleeding, and recovery for 2-4 hours
5. First urination — expected within 6 hours
6. Rest — you’ve earned it

Tests & Screenings Due

Weekly Visit (Or More Frequent Now)

• Blood pressure
• NST (non-stress test) — baby’s heart rate response to movements
• Amniotic fluid index — ultrasound check
• Cervical assessment — dilation, effacement, baby’s station
• Discussion about induction timeline

Bishop Score

Your doctor may calculate a Bishop score to assess whether your cervix is favorable for induction:

• Cervical dilation, effacement, consistency, position, and baby’s station
• Score ≥ 8 = favorable for induction. Score < 6 = cervical ripening may be needed first

Nutrition This Week

• Keep eating regular, light meals — you need energy reserves
• Continue dates (6/day)
• Stay hydrated — 2.5-3 litres/day
• Quick energy sources accessible — for early labor
• Don’t try to eat a heavy “last meal” — you might throw it up during labor

Government Schemes — Claim If You Haven’t

• PMMVY (Pradhan Mantri Matru Vandana Yojana) — Rs 5,000 in 3 installments. Register at Anganwadi or online
• JSY (Janani Suraksha Yojana) — Rs 1,400 for institutional delivery (rural). Rs 600 (urban)
• JSSK (Janani Shishu Suraksha Karyakram) — free delivery, C-section, medicines, diagnostics, food, transport at government hospitals

What’s Coming Up

• If labor starts: You know what to do. 5-1-1 rule. Emergency signs. Hospital bag. Go
• If baby doesn’t come: Monitoring increases. Induction discussed at 41 weeks. Not an emergency — a plan
• After delivery: Focus on recovery, breastfeeding establishment (first 2-3 days are crucial for colostrum), bonding, and newborn care
• Baby’s first pediatric visit: Within 48 hours or at discharge. Discuss vaccination schedule, feeding, and warning signs

Aapke Sawaal (Common Questions)

Due date nikal gaya — kya tension leni chahiye?

Nahi, abhi nahi. Sirf 5% babies apni due date pe aati hain. Pehli pregnancy mein 40-41 weeks pe delivery common hai. Aapki doctor monitoring badha degi — NST aur amniotic fluid check regularly hogi. Jab tak baby move kar raha hai aur tests normal hain, sab theek hai. 41 weeks pe induction discuss hoga agar labor nahi shuru hua.

Induction painful hota hai kya?

Induction se contractions natural labor se zyaada intense ho sakte hain kyunki body ko artificially stimulate kiya ja raha hai. Isliye induced labor mein epidural lena common aur reasonable hai. Induction ka matlab C-section nahi hai — bahut si aurtein induction ke baad normal delivery karti hain. Process time le sakta hai (12-24+ ghante), toh patience rakhein.

Baby overdue ho toh kya risk hai?

41 weeks ke baad se risk thoda badhta hai — placenta purani hone lagti hai (nutrient supply kam hoti hai), amniotic fluid kam ho sakta hai, aur baby meconium pass kar sakta hai. Isliye doctors 41 weeks pe induction discuss karte hain aur 42 weeks se pehle delivery recommend karte hain. Regular monitoring (NST, fluid check) se risk manage hota hai. Panic ki zarurat nahi — lekin doctor ki advice follow karein.

Delivery ke baad baby ko kab ghar la sakte hain?

Normal delivery ke baad usually 24-48 ghante mein discharge milta hai agar maa aur baby dono stable hain. C-section ke baad 3-5 din lagta hai. Discharge se pehle: baby ki vaccines (BCG, Hep B, OPV-0) lagni chahiye, feeding establish hona chahiye, aur newborn screening (if available) hona chahiye. Ghar jaake 48 ghante mein pediatrician se milein.