Due Date Calculator
Calculate your expected due date based on last menstrual period or conception date.
Understanding Pregnancy Due Dates
A pregnancy due date, also known as the estimated date of delivery (EDD), is calculated based on the last menstrual period (LMP) or conception date. A typical pregnancy lasts about 40 weeks from the first day of the last menstrual period.
Pregnancy Timeline
First Trimester (Weeks 1-13)
Major organ development
Second Trimester (Weeks 14-26)
Rapid growth and movement
Third Trimester (Weeks 27-40)
Final development and preparation
Important Terms
Full Term: 37-42 weeks
Preterm: Before 37 weeks
Post-term: After 42 weeks
Viable: 24 weeks onwards
Pregnancy Symptoms by Trimester
First Trimester
- • Morning sickness
- • Fatigue
- • Breast tenderness
- • Mood changes
Second Trimester
- • Baby movements
- • Increased energy
- • Growing belly
- • Better appetite
Third Trimester
- • Backache
- • Frequent urination
- • Braxton Hicks
- • Sleep difficulties
Prenatal Care Tips
- Take prenatal vitamins
- Attend regular check-ups
- Maintain healthy diet
- Stay moderately active
Warning Signs
- !Severe abdominal pain
- !Vaginal bleeding
- !Reduced fetal movement
- !Severe headaches