How to Calculate Your Pregnancy Weeks: A Simple Guide

Learn how to calculate your pregnancy weeks accurately from the first day of your last menstrual period with this easy step-by-step method.

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To calculate your pregnancy weeks, start from the first day of your last menstrual period (LMP). Count the number of weeks that have passed since that day. Most doctors use this method to estimate your due date.

FAQs & Answers

  1. What is the best way to calculate pregnancy weeks? The best way to calculate pregnancy weeks is by counting from the first day of your last menstrual period (LMP), as this is the most commonly used method by healthcare professionals.
  2. Can I calculate my due date based on pregnancy weeks? Yes, by calculating the number of weeks from your last menstrual period, doctors estimate your due date, typically around 40 weeks from the LMP.
  3. Why do doctors use the last menstrual period to estimate pregnancy weeks? Doctors use the last menstrual period because it provides a standardized starting point for pregnancy dating, which helps in planning prenatal care and tracking pregnancy progress.

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