Pregnancy Week 20 vs Week 24
Complete comparison of baby development, mom's symptoms, and changes between these weeks
📊
Time Difference
4 weeks apart
🔄
Trimester
Both in 2nd trimester
Baby Size Comparison
Growth Progress
Week 20Banana
Week 24Cantaloupe
Your baby is approximately 55% through pregnancy
Week 20
📏
Length
6.5 inches
⚖️
Weight
10.2 ounces
🍎
Size Comparison
Banana
Week 24
📏
Length
11.8 inches
⚖️
Weight
1.3 pounds
🍎
Size Comparison
Cantaloupe
What Changes Between Week 20 and 24?
👶New Baby Developments
- ✓Baby reaches viability - could potentially survive with intensive medical care if born now
- ✓Lungs are producing surfactant, a substance that prevents air sacs from collapsing
- ✓Taste buds are maturing and baby can distinguish sweet from bitter
- ✓Footprints and fingerprints are completely formed and permanent
- ✓Brain is growing rapidly with distinct sections developing
🤰New or Changing Symptoms
- ✓Glucose screening test (1-hour glucose challenge) typically done this week
- ✓Rapidly growing belly that may cause balance issues
- ✓Possible carpal tunnel syndrome from fluid retention compressing nerves
- ✓Significantly increased appetite requiring 300-500 extra calories daily
- ✓Possible vision changes from fluid retention affecting eye shape
📈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 20 Development
- •Baby is swallowing more amniotic fluid (up to several ounces per day)
- •Hair is growing on the scalp, and eyebrows and eyelashes are visible
- •Lanugo (fine, downy hair) covers entire body to regulate temperature
- •Baby can hear sounds clearly and may respond by moving or changing heart rate
- •Regular sleep and wake cycles are developing with distinct active and rest periods
- •Meconium (first bowel movement) is accumulating in intestines
Week 24 Development
- •Baby reaches viability - could potentially survive with intensive medical care if born now
- •Lungs are producing surfactant, a substance that prevents air sacs from collapsing
- •Taste buds are maturing and baby can distinguish sweet from bitter
- •Footprints and fingerprints are completely formed and permanent
- •Brain is growing rapidly with distinct sections developing
- •Skin is becoming less transparent as fat accumulates underneath
Common Symptoms
Week 20 Symptoms
- •Halfway through pregnancy - a major milestone to celebrate!
- •Visible baby movements that may be seen moving across your belly
- •Increased white or clear vaginal discharge (leukorrhea)
- •Possible varicose veins in legs due to increased blood volume and pressure
- •Shortness of breath as uterus pushes up on diaphragm
- •Increased sweating and body temperature
Week 24 Symptoms
- •Glucose screening test (1-hour glucose challenge) typically done this week
- •Rapidly growing belly that may cause balance issues
- •Possible carpal tunnel syndrome from fluid retention compressing nerves
- •Significantly increased appetite requiring 300-500 extra calories daily
- •Possible vision changes from fluid retention affecting eye shape
- •More frequent and noticeable baby movements
Nutrition Tips
Week 20 Nutrition
- •Eat iron-rich foods at every meal combined with vitamin C
- •Include vitamin C-rich foods (85mg daily) like oranges, strawberries, kiwi, and broccoli for iron absorption
- •Stay hydrated with 10-12 glasses of water to support increased blood volume
- •Eat calcium-rich foods (1000mg daily) at every meal
- •Include foods rich in vitamin K like leafy greens for blood clotting
- •Eat magnesium-rich foods to support muscle and nerve function
Week 24 Nutrition
- •Monitor sugar and carbohydrate intake before glucose screening test
- •Eat complex carbohydrates like whole grains, oats, and quinoa instead of simple sugars
- •Include 75-100g of lean protein daily from varied sources
- •Stay hydrated with water throughout the day
- •Eat balanced meals with protein, complex carbs, and healthy fats
- •Include foods rich in vitamin B6 for carpal tunnel relief
⚕️When to Contact Your Healthcare Provider
During weeks 20 to 24, 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