Compare Pregnancy Weeks
See how your baby develops and how your body changes from week to week
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Select two weeks above to compare baby development and pregnancy changes
Compare consecutive weeks to see week-to-week changes, or compare weeks from different trimesters
Popular Comparisons
Explore the most commonly searched pregnancy week comparisons
Week 8 vs 12
First tri ending
Week 12 vs 13
2nd tri starts
Week 20 vs 21
Halfway point
Week 20 vs 24
Anatomy scan period
Week 27 vs 28
3rd tri starts
Week 36 vs 37
Full term
Week 36 vs 38
Due date approaching
Week 38 vs 40
Final weeks
Week 13 vs 27
2nd trimester span
Week 1 vs 12
1st trimester span
Week 28 vs 40
3rd trimester span
Week 12 vs 27
Tri 1 to 2 end
Week 16 vs 20
Gender reveal time
Week 24 vs 28
Viability milestone
Week 32 vs 36
Final month prep
Week 10 vs 14
Early 2nd tri
Week 4 vs 8
Early detection
Week 6 vs 10
First ultrasound
Week 30 vs 34
Late pregnancy
Week 15 vs 18
Quickening time
Week 7 vs 8
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Week 5 vs 6
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