About Pregnancy Calculator

This calculator estimates your due date based on the first day of your last menstrual period (LMP). The average pregnancy lasts 280 days (40 weeks) from the first day of the LMP.

Pregnancy Trimesters:

• First Trimester: Weeks 1-12
• Second Trimester: Weeks 13-26
• Third Trimester: Weeks 27-40+

Important Notes:

• This is an estimate. Only about 5% of babies arrive on their due date
• Full-term pregnancy is considered 37-42 weeks
• Your healthcare provider may adjust your due date based on ultrasound
• Always consult with your doctor for personalized prenatal care

Prenatal Care Tips:

• Take prenatal vitamins daily
• Eat a balanced, nutritious diet
• Stay hydrated
• Get regular prenatal checkups
• Avoid alcohol, smoking, and certain foods
• Exercise moderately with doctor's approval