Pregnancy Calendar and Screening Dates Calculator
Calculate key pregnancy stages and screening test dates from the LMP.
This tool is for informational purposes only and does not replace medical advice. Consult a doctor for decisions about your health.
Result
08 Ekim 2026
Estimated due date: 08 October 2026
Result in all units
Step-by-step solution
What Is a Pregnancy Calendar?
A pregnancy calendar uses your last menstrual period date to show, week by week, which week you are in, your trimester and the important screening periods.
How is it calculated?
How Is It Calculated?
- Enter your last menstrual period date.
- The number of days passed is divided by 7 to find the pregnancy week.
- Weeks 1–13 are the first, 14–26 the second, and 27 onward the third trimester.
Frequently Asked Questions
When are the screening tests done?
The combined screening is done at weeks 11–14, the detailed ultrasound around week 20, and the glucose challenge test at weeks 24–28.