Pregnancy Week 13 vs Week 14

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

📊

Time Difference

1 week apart

🔄

Trimester

Crossing from 1st to 2nd trimester

Baby Size Comparison

Growth Progress

Week 13Peapod

Week 14Lemon

Your baby is approximately 34% through pregnancy

Week 13

📏

Length

2.9 inches

⚖️

Weight

0.81 ounces

🍎

Size Comparison

Peapod

Week 14

📏

Length

3.4 inches

⚖️

Weight

1.5 ounces

🍎

Size Comparison

Lemon

What Changes Between Week 13 and 14?

👶New Baby Developments

✓Facial expressions are possible including squinting, frowning, and grimacing
✓Baby can squint, frown, grimace, and even smile
✓The liver begins producing bile necessary for digesting fats
✓The spleen takes over producing red blood cells from the liver
✓Baby urinates into the amniotic fluid regularly

🤰New or Changing Symptoms

✓Increased energy levels - welcome to the "honeymoon trimester"!
✓Significantly less nausea or complete relief from morning sickness
✓Noticeably growing belly that's starting to "pop"
✓Possible nasal congestion and nosebleeds from increased blood flow (rhinitis of pregnancy)
✓Increased appetite as nausea subsides

📈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 13 Development

•Unique fingerprints are forming on tiny fingertips
•Eyes are moving closer together from the sides of the head to the front of the face
•Baby can suck their thumb and has developed the sucking reflex
•Ovaries (with 2 million eggs) or testes are fully developed internally
•Vocal cords are complete and fully formed
•Intestines finish moving from umbilical cord into abdomen

Week 14 Development

•Facial expressions are possible including squinting, frowning, and grimacing
•Baby can squint, frown, grimace, and even smile
•The liver begins producing bile necessary for digesting fats
•The spleen takes over producing red blood cells from the liver
•Baby urinates into the amniotic fluid regularly
•Lanugo (fine hair) covers the entire body to regulate temperature

Common Symptoms

Week 13 Symptoms

•Energy levels increase significantly as you enter the second trimester
•Morning sickness usually subsides or disappears completely for most women
•Baby bump becomes more visible and noticeable to others
•Round ligament pain may increase as ligaments stretch rapidly
•Sex drive may return as energy improves and nausea fades
•Continued breast growth and possible leaking of colostrum

Week 14 Symptoms

•Increased energy levels - welcome to the "honeymoon trimester"!
•Significantly less nausea or complete relief from morning sickness
•Noticeably growing belly that's starting to "pop"
•Possible nasal congestion and nosebleeds from increased blood flow (rhinitis of pregnancy)
•Increased appetite as nausea subsides
•Glowing skin from increased blood flow and oil production

Nutrition Tips

Week 13 Nutrition

•Continue balanced nutrition with a variety of colorful fruits and vegetables
•Eat at least 5 servings of fruits and vegetables daily for vitamins, minerals, and fiber
•Include healthy fats from avocados, nuts, seeds, olive oil, and fatty fish for brain development
•Stay hydrated with 10-12 glasses of water daily
•Increase protein intake to support rapid fetal growth
•Include foods rich in DHA (salmon, sardines, walnuts) for brain and eye development

Week 14 Nutrition

•Eat iron-rich foods like lean red meat, chicken, fish, beans, and fortified cereals to prevent anemia
•Include vitamin C-rich foods (citrus, bell peppers, tomatoes) with iron sources to boost absorption
•Eat frequent, balanced meals with protein, complex carbs, and healthy fats
•Stay hydrated with 10-12 glasses of water daily
•Include 300-500 extra calories daily through nutritious foods
•Eat fiber-rich foods (30g daily) to combat constipation