Question 1

How is the due date calculated?

Accepted Answer

The due date is calculated by adding 280 days (40 weeks) to the first day of the last menstrual period (LMP), adjusted for cycle length.

Question 2

What are the three trimesters?

Accepted Answer

First trimester: weeks 1-13, Second trimester: weeks 14-27, Third trimester: weeks 28-40.

🤰 Due Date Wheel