Pregnancy Week 21 vs Week 22
Complete comparison of baby development, mom's symptoms, and changes between these weeks
📊
Time Difference
1 week apart
🔄
Trimester
Both in 2nd trimester
Baby Size Comparison
Growth Progress
Week 21Carrot
Week 22Papaya
Your baby is approximately 54% through pregnancy
Week 21
📏
Length
10.5 inches
⚖️
Weight
12.7 ounces
🍎
Size Comparison
Carrot
Week 22
📏
Length
10.9 inches
⚖️
Weight
15.2 ounces
🍎
Size Comparison
Papaya
What Changes Between Week 21 and 22?
👶New Baby Developments
- ✓Eyelids, eyebrows, and eyelashes are fully formed
- ✓Lips are becoming more distinct and developed
- ✓Pancreas is developing steadily and beginning to produce important hormones
- ✓Reproductive system continues developing with testes descending (boys) or ovaries fully stocked with eggs (girls)
- ✓Baby looks like a miniature newborn with more proportional features
🤰New or Changing Symptoms
- ✓Increased libido for many women as energy improves and discomfort is minimal
- ✓Possible leg cramps, especially at night, from calcium-magnesium imbalance
- ✓Constipation continues as progesterone slows digestion
- ✓Increased clear or white vaginal discharge
- ✓Skin changes including darkening linea nigra, melasma, or skin tags
📈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 21 Development
- •Baby can hear your voice clearly and may recognize it after birth
- •Eyebrows and eyelids are fully formed and visible
- •Fingers and toes are completely formed with distinct nails
- •Bone marrow has taken over producing red blood cells from the liver and spleen
- •Baby drinks several ounces of amniotic fluid daily for digestive practice
- •Rapid brain development continues with billions of neurons forming
Week 22 Development
- •Eyelids, eyebrows, and eyelashes are fully formed
- •Lips are becoming more distinct and developed
- •Pancreas is developing steadily and beginning to produce important hormones
- •Reproductive system continues developing with testes descending (boys) or ovaries fully stocked with eggs (girls)
- •Baby looks like a miniature newborn with more proportional features
- •Inner ear is fully developed allowing for balance and spatial awareness
Common Symptoms
Week 21 Symptoms
- •Significantly increased appetite as baby grows rapidly
- •Possible varicose veins in legs from increased blood volume and uterine pressure
- •Stretch marks may appear on belly, breasts, hips, or thighs as skin stretches
- •Braxton Hicks contractions (practice contractions) may start - they feel like tightening
- •Increased vaginal discharge
- •Possible leg cramps at night
Week 22 Symptoms
- •Increased libido for many women as energy improves and discomfort is minimal
- •Possible leg cramps, especially at night, from calcium-magnesium imbalance
- •Constipation continues as progesterone slows digestion
- •Increased clear or white vaginal discharge
- •Skin changes including darkening linea nigra, melasma, or skin tags
- •Possible swelling in hands and feet
Nutrition Tips
Week 21 Nutrition
- •Eat 25-35 grams of fiber daily from fruits, vegetables, whole grains, and legumes to prevent constipation
- •Include 75-100g of lean proteins daily from varied sources
- •Stay hydrated with 10-12 glasses of water to support blood volume
- •Eat foods rich in vitamin E like almonds, sunflower seeds, and avocados for skin elasticity
- •Include healthy fats for baby's brain development
- •Eat small, frequent meals to accommodate growing uterus
Week 22 Nutrition
- •Eat magnesium-rich foods (350mg daily) like almonds, spinach, black beans, and dark chocolate for leg cramps
- •Include 25-35g of fiber daily through whole grains, fruits, and vegetables for digestion
- •Stay hydrated with 10-12 glasses of water daily
- •Eat foods rich in vitamin A (but not exceeding 10,000 IU daily) like sweet potatoes and carrots
- •Include probiotic foods like yogurt and kefir for digestive health
- •Stretch and stay active to reduce leg cramps
⚕️When to Contact Your Healthcare Provider
During weeks 21 to 22, 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