Skip to main content
Explore Health Topics
Heart Health Diabetes Women's Health Pregnancy Digestive Health Mental Health
Medical Guides → • Calculators →
✓ Medically reviewed by Dr. Priya Sammani (MBBS, PG Dip. FM) | Age — · M/F · BMI —
88%
Clinical Tool • Pregnancy & Women’s Health ✓ Medically Reviewed by Dr. Priya Sammani (MBBS, Medical Officer)

Pregnancy Week Calculator

LMP

⚡ Auto-filled from your health data
🧬 My Health Data Edit Metrics ▾

📈 Result Spectrum

— Pregnancy Week Calculator
Normal
Normal Borderline High Risk

🩺 Recommended Articles

❓ Gereeld Gestelde Vrae (FAQ)

How do doctors calculate gestational age?

Obstetric gestational age is counted from the first day of your last menstrual period (LMP), spanning 40 weeks (280 days) to full term.

When do the three pregnancy trimesters start?

First trimester: Weeks 1–12; Second trimester: Weeks 13–27; Third trimester: Weeks 28–40+.

🧮 Related Calculators

⚠️ Important: Medical Disclaimer: This clinical calculator provides educational estimates and does not replace a consultation with a qualified physician.
🔗 Embed This Clinical Calculator on Your Website (Free for Clinics, Universities & Blogs)

Copy and paste the HTML snippet below to embed this interactive South Asian clinical calculator on your website with attribution: