Week 27 of Pregnancy: The Final Stretch of the Second Trimester

Last updated: January 2026

Quick Answer

Congratulations! At 27 weeks pregnant, you’re at the final week of your second trimester - you’re now two-thirds through your pregnancy journey! Your baby is about the size of a cauliflower head (36.6 cm), weighs around 875g, and is developing rapidly with lungs preparing for life outside. Next week marks the beginning of the third trimester - the home stretch!

Your Baby at 27 Weeks

Size and Development

Measurement	Details
Length	About 36.6 cm (14.4 inches)
Weight	Approximately 875 grams
Size comparison	Like a head of cauliflower

Baby’s Development This Week

Lungs:

• Now capable of breathing air (if born early)

• Producing surfactant

• Practice breathing movements

• Still developing, but more prepared Skin and Body:

• Filling out with fat

• Less wrinkled appearance

• Skin becoming thicker

• Baby looks more like newborn now Brain:

• Developing rapidly

• More active brain waves

• Distinct sleep cycles

• Dreaming may be happening! Movement:

• Very active

• Respond to sounds

• May get hiccups

• Regular patterns emerging

What’s Happening to Your Body

Common Symptoms at 27 Weeks

Symptom	Why It Happens	What Helps
Constipation & bloating	Hormones slow digestion	Fiber, water, movement
Weight gain	Baby growing	Normal and healthy
Feeling hot	Increased blood volume	Light clothes, cool drinks
Sleeping difficulties	Belly size, discomfort	Side sleeping, pillows
Snoring	Swollen nasal passages	Humidifier, propped pillows

More Symptoms You May Experience

• Tiredness

• Stretch marks

• Swollen and bleeding gums

• Round ligament pain

• Hemorrhoids

• Headaches and backaches

• Nosebleeds

• Heartburn and indigestion

• Leg cramps

• Dizziness

• Swollen hands and feet

• Urinary infections

• Vaginal discharge

• Chloasma (mask of pregnancy)

• Greasier skin and acne

• Thicker, shinier hair

Sleeping Positions

Best Position: On your side (especially left side)

Why It Matters:

• After 28 weeks, sleeping on back may reduce blood flow

• Left side improves blood flow to baby

• Better for kidney function and reduces swelling Tips for Side Sleeping:

• Use pillow under belly

• Pillow between knees

• Don’t worry if you roll onto back - just shift when you wake

• Special pregnancy pillows can help

Travel Considerations

Flying at 27 Weeks

This may be your last chance to fly without a medical note!

After Week	Airline Requirements
28-36 weeks	Usually need “fit to fly” letter
After 36 weeks	Most airlines won’t allow travel

Before Travel:

• Check airline policy
• Get doctor’s approval
• Carry medical records
• Stay hydrated during flight
• Walk during flight (prevent blood clots)
• Wear comfortable clothes
• Wear compression stockings

Step-by-Step Guide for Week 27

Step 1: Get Whooping Cough Vaccine (If Not Done)

Ideal window: Weeks 16-32

Best time: Before 28 weeks

Why: Protects baby in first months of life

Action: Talk to doctor if you haven’t received it

Step 2: Prepare for Third Trimester

What Changes:

• More frequent prenatal visits
• Possibly more tired
• Need to finalize birth plans
• Hospital bag preparation

Start Thinking About:

• Birth preferences
• Pediatrician selection
• Baby essentials
• Postpartum support

Step 3: Focus on Sleep Quality

Create a Sleep Routine:

• Go to bed at same time
• Limit fluids before bed (reduces bathroom trips)
• Use pregnancy pillow
• Keep room cool
• Relaxation techniques before bed

Step 4: Manage Digestive Issues

For Constipation and Bloating:

• Drink 8-10 glasses water daily

• Eat high-fiber foods

• Walk daily

• Small, frequent meals

• Avoid gas-causing foods if bothered For Heartburn:

• Small, frequent meals

• Don’t lie down after eating

• Avoid spicy, acidic foods

• Sleep slightly propped up

• Ask doctor about safe antacids

Step 5: Continue Healthy Habits

Nutrition Focus:

• Iron-rich foods (dates, green vegetables)

• Calcium (milk, curd, ragi)

• Protein (dal, paneer, eggs)

• Omega-3 (walnuts, fish)

• Continue prenatal vitamins Exercise:

• Walking

• Prenatal yoga

• Swimming

• Avoid lying flat on back for exercises

Tips for Success

• Sleep on your side - Especially important from now on
• Stay active - Gentle exercise helps many symptoms
• Monitor movements - Know your baby’s pattern
• Prepare for third trimester - It starts next week!
• Get vaccinated - Whooping cough vaccine if not done
• Rest when tired - Listen to your body
• Stay hydrated - Water helps with multiple symptoms
• Connect with baby - Talk, sing, play music

Common Mistakes to Avoid

• Sleeping on back regularly - Try side sleeping
• Ignoring heartburn triggers - Identify and avoid them
• Skipping exercise - Movement helps, even when tired
• Not drinking enough water - Worsens constipation, headaches
• Waiting too long for vaccines - Get whooping cough by 32 weeks
• Planning long flights - May need medical clearance soon
• Ignoring unusual symptoms - Always check with doctor

When to Seek Help

Contact Doctor Immediately If:

• Decreased baby movements

• Severe, persistent headache

• Vision changes

• Sudden severe swelling

• Vaginal bleeding or leaking fluid

• Regular contractions before 37 weeks

• Severe abdominal pain

• High fever

• Signs of UTI Schedule Appointment For:

• Questions about third trimester

• Birth plan discussions

• Concerns about symptoms

• Any worries about baby

Frequently Asked Questions

Q: 27 weeks mein baby bahut hiccups karta hai - normal hai kya?

A: Yes, very normal! Baby hiccups happen as they practice breathing movements. You might feel rhythmic, jerky movements that last several minutes. This is actually a good sign - means respiratory system is developing. They’re not uncomfortable for baby.

Q: Kaun sa side sona chahiye - left ya right?

A: Left side is considered best because it improves blood flow to baby and helps your kidneys work better. However, either side is fine - the key is to avoid sleeping flat on your back. Don’t stress if you wake up on your back - just roll to your side.

Q: Third trimester mein kya changes expect karun?

A: Third trimester (starts next week at 28 weeks) brings: more frequent prenatal visits, possibly more tiredness, bigger belly, Braxton Hicks contractions, preparation for birth, nesting instinct. Baby will be gaining weight rapidly. It’s the final stretch!

Q: Ab tak kitna weight gain hona chahiye?

A: By 27 weeks, typical weight gain is 7-10 kg for women who started at normal weight. However, healthy weight gain varies based on starting weight. More important is steady gain and nutritious diet. Discuss with your doctor about what’s right for you.

Q: Baby ki movements ki counting kab shuru karni chahiye?

A: You can start noting movement patterns now. By 28 weeks, many doctors recommend formal kick counting. After a meal, lie down and count movements - aim for 10 movements in 2 hours. What matters most is knowing YOUR baby’s normal pattern and noticing any changes.

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This article was reviewed by a healthcare provider. Week 27 marks the end of your second trimester - you’re entering the home stretch!

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