Determine which trimester of pregnancy you're in and learn what to expect during each stage. Get personalized pregnancy week information.
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How this calculator works
First trimester: weeks 1-12, Second trimester: weeks 13-27, Third trimester: weeks 28-40.
Common questions about this calculator
Pregnancy calculators provide estimates based on standard formulas. Every pregnancy is unique. Always consult your OB-GYN or midwife for personalized care.