Pregnancy Week 36 vs Week 38

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

📊
Time Difference
2 weeks apart
🔄
Trimester
Both in 3rd trimester

Baby Size Comparison

Growth Progress

Week 36Romaine lettuce
Week 38Leek
Your baby is approximately 93% through pregnancy

Week 36

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

Week 38

📏
Length
19.6 inches
⚖️
Weight
6.8 pounds
🍎
Size Comparison
Leek

What Changes Between Week 36 and 38?

👶New Baby Developments

  • Baby continues gaining weight at about 1 ounce per day
  • All organs are fully developed and ready to function outside the womb
  • Baby might have a full head of hair or very little - both are normal
  • Meconium (first bowel movement) is building up in intestines
  • Baby is completely ready for life outside and could be born any day

🤰New or Changing Symptoms

  • Cervix may be dilating and effacing (thinning) in preparation
  • Possible bloody show (mucus plug discharge with blood)
  • Contractions may increase in frequency and intensity
  • Water may break at any time (happens before labor in about 10% of women)
  • Extreme discomfort and difficulty moving

📈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 38 Development

  • Baby continues gaining weight at about 1 ounce per day
  • All organs are fully developed and ready to function outside the womb
  • Baby might have a full head of hair or very little - both are normal
  • Meconium (first bowel movement) is building up in intestines
  • Baby is completely ready for life outside and could be born any day
  • Reflexes are strong including rooting, sucking, and grasping

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 38 Symptoms

  • Cervix may be dilating and effacing (thinning) in preparation
  • Possible bloody show (mucus plug discharge with blood)
  • Contractions may increase in frequency and intensity
  • Water may break at any time (happens before labor in about 10% of women)
  • Extreme discomfort and difficulty moving
  • Possible diarrhea as body prepares for labor

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 38 Nutrition

  • Eat light, easily digestible, nutritious meals
  • Stay very well hydrated with water and electrolyte drinks
  • Avoid heavy, greasy meals that could cause discomfort during labor
  • Stock up on easy, quick postpartum foods and snacks
  • Eat small frequent meals
  • Include foods rich in energy like complex carbohydrates

⚕️When to Contact Your Healthcare Provider

During weeks 36 to 38, 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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