Pregnancy Week 36 vs Week 37

Complete comparison of baby development, mom's symptoms, and changes between these weeks

📊
Time Difference
1 week apart
🔄
Trimester
Both in 3rd trimester

Baby Size Comparison

Growth Progress

Week 36Romaine lettuce
Week 37Swiss chard
Your baby is approximately 91% through pregnancy

Week 36

📏
Length
18.7 inches
⚖️
Weight
5.8 pounds
🍎
Size Comparison
Romaine lettuce

Week 37

📏
Length
19.1 inches
⚖️
Weight
6.3 pounds
🍎
Size Comparison
Swiss chard

What Changes Between Week 36 and 37?

👶New Baby Developments

  • Baby is officially full term - congratulations!
  • Baby practices breathing movements and strong sucking for feeding
  • Baby can grasp firmly with strong grip reflex
  • All organs can function independently without medical support
  • Lanugo is mostly or completely gone

🤰New or Changing Symptoms

  • Mix of excitement and nervousness about meeting baby
  • Very strong nesting instinct with urges to clean and organize
  • Possible loss of mucus plug (bloody show)
  • Increased vaginal discharge
  • More frequent and intense Braxton Hicks

📈Key Changes Summary

Baby Growth: Your baby continues to grow rapidly, with organs developing and maturing each day.
Your Body: Your body adapts to support your growing baby with various physical and hormonal changes.

Baby Development Milestones

Week 36 Development

  • Baby is gaining approximately one ounce per day now
  • Skin is becoming smooth and losing wrinkles as fat fills out
  • Gums are rigid and strong
  • Circulatory and immune systems are complete and functioning
  • Baby is officially considered "early term" at 37 weeks
  • Most lanugo has disappeared

Week 37 Development

  • Baby is officially full term - congratulations!
  • Baby practices breathing movements and strong sucking for feeding
  • Baby can grasp firmly with strong grip reflex
  • All organs can function independently without medical support
  • Lanugo is mostly or completely gone
  • Baby is continuing to gain weight and add fat layers

Common Symptoms

Week 36 Symptoms

  • Significantly increased Braxton Hicks contractions that may take your breath away
  • Pelvic pressure intensifies as baby descends into birth position
  • Possible "lightning" - sudden dropping of baby into pelvis
  • Even more frequent bathroom trips, possibly every hour
  • Difficulty walking and waddling gait
  • Possible loss of mucus plug (can regenerate)

Week 37 Symptoms

  • Mix of excitement and nervousness about meeting baby
  • Very strong nesting instinct with urges to clean and organize
  • Possible loss of mucus plug (bloody show)
  • Increased vaginal discharge
  • More frequent and intense Braxton Hicks
  • Extreme physical discomfort

Nutrition Tips

Week 36 Nutrition

  • Eat foods rich in vitamin K (90-120 mcg daily) for blood clotting during delivery
  • Include iron-rich foods to prevent postpartum anemia
  • Stay hydrated despite constant urination
  • Eat small, frequent, easily digestible meals
  • Include foods rich in vitamin C
  • Focus on protein for tissue repair

Week 37 Nutrition

  • Continue healthy, balanced eating
  • Stay hydrated with plenty of water
  • Eat energy-boosting foods like complex carbs, proteins, and healthy fats
  • Include fiber to prevent constipation
  • Eat small, frequent meals
  • Consider eating dates if planning vaginal delivery

⚕️When to Contact Your Healthcare Provider

During weeks 36 to 37, contact your healthcare provider if you experience:

  • Severe abdominal pain or cramping
  • Heavy bleeding or passing clots
  • Severe headache with vision changes
  • Persistent fever over 100.4°F (38°C)
  • Sudden swelling of hands, face, or feet
  • Decreased fetal movement

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