Pregnancy Conception Calculator

Estimate your conception date using LMP, due date, ultrasound, or IVF transfer date. Free online pregnancy conception calculator.

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About Pregnancy Conception Calculator

Our Pregnancy Conception Calculator helps you estimate the most likely conception date using medically accepted obstetric calculations. Choose from four methods: Last Menstrual Period (LMP), Due Date reverse calculation, Ultrasound dating, or IVF embryo transfer. The calculator provides detailed results including estimated conception date, due date, ovulation date, current pregnancy week, trimester status, and a visual progress timeline.

Pregnancy Conception Calculator

Enter the first day of your last period
days
Range: 21–45 days (default: 28)

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Features

Security

Secure & Private

Your files are processed securely and deleted immediately after.

Speed

Fast Processing

Get your results in seconds with our optimized processing engine.

Setup

No Installation

Works entirely in your browser. No software to install.

Pricing

Free to Use

Use this tool completely free with no hidden charges.

Limit

Generous Limits

Enjoy generous file limits with no surprise caps on size or count.

Quality

High Quality Output

Results are rendered at full quality, ready for production use.

Frequently Asked Questions

Yes, this tool is completely free to use. There are no hidden fees or subscription requirements.

Absolutely. All file processing happens securely. Your files are automatically deleted from our servers after processing.

This tool supports a wide range of common file formats. Check the upload area for specific format requirements.

No account is required. Simply upload your file, process it, and download the result.

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