Calculate pregnancy weeks
Calculate how many weeks pregnant you are based on the first day of your last menstrual period.
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What are pregnancy weeks?
Pregnancy weeks indicate how far along a pregnancy is . Doctors and midwives usually calculate from the first day of the last menstrual period (LMP) .
A full-term pregnancy lasts an average of 40 weeks .
What does this tool do?
This tool:
- calculates the number of weeks of pregnancy
- also shows the number of remaining weeks
- gives an indication of the calculated date
The calculation is based on a standard gestational age and is intended as a guideline.
Who is this tool for?
- pregnant women
- partners
- healthcare providers
- Care & Welfare students
Important note
The result is indicative . The actual gestational age can be determined by a midwife or doctor.