Calculating a Due Date

A typical being pregnant lasts, on common, 280 days, or 40 weeks—beginning with the primary day of the final regular menstrual interval as day 1. An estimated due date might be calculated by following steps 1 via 3:

1. First, decide the primary day of your final menstrual interval.

2. Subsequent, rely again 3 calendar months from that date.

3. Lastly, add 1 yr and seven days to that date.

For instance: Your final menstrual interval started on September 9, 2023. Counting again 3 calendar months could be June 9, 2023. Including 1 yr and seven days would convey you to June 16, 2024, as your estimated due date.

This 3-step methodology is known as Naegele’s Rule and relies on a standard 28-day menstrual cycle. Subsequently, dates might need to be adjusted for longer or shorter menstrual cycles. 

You may additionally estimate your supply date by utilizing steps 1 and a pair of under and the chart:

1. First, find the primary day of your final menstrual interval (in black textual content).

2. Subsequent, word the date instantly under. That is your estimated date of supply (in blue textual content).