Life
Pregnancy Cycle Calculator
Calculate pregnancy weeks, days, trimester, and estimated due date from last menstrual period.
- Gestational age
16 weeks 0 days- Trimester
Second trimester- Estimated due date
2026-12-20- Days until due date
168
Reference only. Pregnancy dating should be confirmed by a qualified clinician and ultrasound when appropriate.
FAQ
Questions people ask
Is this pregnancy dating exact?
No. It is a reference based on last menstrual period and should be confirmed with clinical care.
What if my cycle is irregular?
Irregular cycles can make LMP-based estimates less accurate. Ask your clinician about ultrasound dating.
How is due date calculated?
The standard reference estimate is 280 days after the first day of the last menstrual period.
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