Weeks Pregnancy Calculator



Calculating the weeks of pregnancy is a crucial aspect of prenatal care. A reliable and accurate Weeks Pregnancy Calculator simplifies this task, providing expectant parents and healthcare professionals with essential information about the progress of a pregnancy. In this article, we will explore how to use a Weeks Pregnancy Calculator and provide a meticulously crafted HTML and JS code for a functional calculator.

How to Use

Using the Weeks Pregnancy Calculator is straightforward. Enter the relevant information in the designated input fields, and the calculator will provide the accurate number of weeks into the pregnancy. To initiate the calculation, click the “Calculate” button.


The calculation of weeks in pregnancy involves considering the starting date of the last menstrual period (LMP) and the current date. The formula is as follows:

Weeks Pregnant=Current Date−LMP Date7


Let’s consider an example. If the LMP date is July 1, 2023, and the current date is December 1, 2023, the calculation would be:


Q: How accurate is the Weeks Pregnancy Calculator?
A: The calculator provides precise results based on the input LMP date and the current date.

Q: Can I use the calculator for irregular menstrual cycles?
A: Yes, the calculator accommodates variations in menstrual cycles.

Q: Is it necessary to consult a healthcare professional for confirmation?
A: While the calculator is reliable, consulting a healthcare professional is advisable for confirmation.


A Weeks Pregnancy Calculator is a valuable tool for tracking the progression of pregnancy. By utilizing the provided HTML and JS code, users can easily integrate this calculator into their websites or applications, ensuring accurate and efficient calculations.

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