Pregnancy Week Calculator
Find out exactly how many weeks and days pregnant you are, plus get insights about your baby's development and what to expect in your current week.
Calculate Your Pregnancy Week
This is the standard method healthcare providers use to calculate pregnancy weeks
Pregnancy Trimester Guide
1
First Trimester
Weeks 1-12
- • Major organ development
- • Morning sickness may begin
- • Increased fatigue
- • Breast tenderness
- • First prenatal appointments
2
Second Trimester
Weeks 13-26
- • Energy levels improve
- • Baby's movements felt
- • Anatomy scan ultrasound
- • Baby's sex can be determined
- • Belly becomes more visible
3
Third Trimester
Weeks 27-40
- • Rapid baby weight gain
- • Preparation for labor
- • More frequent appointments
- • Baby's lungs mature
- • Full-term at 37 weeks