Title: HTS Labs Pregnancy Calculator
Author: HTS Labs
Published: <strong>June 4, 2026</strong>
Last modified: June 30, 2026

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# HTS Labs Pregnancy Calculator

 By [HTS Labs](https://profiles.wordpress.org/htslabs/)

[Download](https://downloads.wordpress.org/plugin/hts-labs-pregnancy-calculator.1.0.1.zip)

 * [Details](https://wordpress.org/plugins/hts-labs-pregnancy-calculator/#description)
 * [Reviews](https://wordpress.org/plugins/hts-labs-pregnancy-calculator/#reviews)
 *  [Installation](https://wordpress.org/plugins/hts-labs-pregnancy-calculator/#installation)
 * [Development](https://wordpress.org/plugins/hts-labs-pregnancy-calculator/#developers)

 [Support](https://wordpress.org/support/plugin/hts-labs-pregnancy-calculator/)

## Description

HTS Labs Pregnancy Calculator adds a responsive calculator that estimates:

 * estimated due date
 * current gestational age
 * estimated conception date
 * estimated fertility window

The free edition focuses on the first day of the last menstrual period (LMP) method
only.

#### Features

 * LMP-based pregnancy due date calculation
 * custom in-plugin calendar date picker
 * shortcode support: `[pddc_due_date]`
 * tabbed admin settings UI
 * layout and styling controls for the main calculator/result cards
 * adjustable colors and disclaimer text
 * responsive frontend layout

## Installation

 1. Upload the plugin files to the `/wp-content/plugins/hts-labs-pregnancy-calculator`
    directory, or install the plugin through the WordPress plugins screen.
 2. Activate the plugin through the **Plugins** screen in WordPress.
 3. Go to **Due Date Calculator** in the WordPress admin menu to configure the calculator.
 4. Add the shortcode `[pddc_due_date]` to any page or post.

## FAQ

### Does this plugin include the week tracker?

No. This free edition includes the LMP-based due date calculator only.

### Can I change the styling?

Yes. The plugin includes simplified layout and design settings for the free edition.

### Does this plugin require an external service?

No. The free calculator works entirely inside WordPress.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“HTS Labs Pregnancy Calculator” is open source software. The following people have
contributed to this plugin.

Contributors

 *   [ HTS Labs ](https://profiles.wordpress.org/htslabs/)

[Translate “HTS Labs Pregnancy Calculator” into your language.](https://translate.wordpress.org/projects/wp-plugins/hts-labs-pregnancy-calculator)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/hts-labs-pregnancy-calculator/),
check out the [SVN repository](https://plugins.svn.wordpress.org/hts-labs-pregnancy-calculator/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/hts-labs-pregnancy-calculator/)
by [RSS](https://plugins.trac.wordpress.org/log/hts-labs-pregnancy-calculator/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 1.0.1

 * Added an always-visible Powered by HTS Labs credit beneath the frontend calculator.

#### 1.0.0

 * First official release of HTS Labs Pregnancy Calculator.
 * Includes the LMP calculator shortcode, responsive frontend, and streamlined styling
   and content settings.

## Meta

 *  Version **1.0.1**
 *  Last updated **4 weeks ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 6.0 or higher **
 *  Tested up to **7.0.2**
 *  PHP version ** 7.4 or higher **
 * Tags
 * [calculator](https://wordpress.org/plugins/tags/calculator/)[due date](https://wordpress.org/plugins/tags/due-date/)
   [health](https://wordpress.org/plugins/tags/health/)[pregnancy](https://wordpress.org/plugins/tags/pregnancy/)
   [shortcode](https://wordpress.org/plugins/tags/shortcode/)
 *  [Advanced View](https://wordpress.org/plugins/hts-labs-pregnancy-calculator/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/hts-labs-pregnancy-calculator/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/hts-labs-pregnancy-calculator/reviews/)

## Contributors

 *   [ HTS Labs ](https://profiles.wordpress.org/htslabs/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/hts-labs-pregnancy-calculator/)