Pregnancy Calculator
Trimesters, weeks, milestones
Estimates only — Naegele's rule (LMP + 280 days). Always consult your healthcare provider.
Important — please read
Educational reference only — not a substitute for prenatal care. Confirm dating with your obstetrician; ultrasound dating in the first trimester is the medical gold standard. Any concerning symptom — bleeding, severe pain, reduced fetal movement — needs a real clinician, not this calculator.
About Pregnancy Calculator
A pregnancy calculator estimates due date, current gestational age, and key milestones from the last menstrual period (LMP) or conception date. Educational only — every pregnancy is monitored by a healthcare professional who has the binding numbers.
Frequently asked questions
LMP is the standard — pregnancy is counted from the first day of the last menstrual period, even though conception happens ~2 weeks later.
First-trimester ultrasound is the most accurate (±5 days). LMP-based: ±2 weeks. Only ~5% of babies arrive on the actual due date.
Week 14 by most definitions. The first trimester (weeks 1-13) is the highest-risk window.
First ultrasound: ~10 weeks. Anatomy scan: 18-22 weeks. Glucose test: 24-28 weeks. Group B strep: 35-37 weeks.
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لا توجد مراجعات بعد — كن أول من يشاركنا رأيه.
- لا توجد مراجعات بعد — كن أول من يشاركنا رأيه.