Menstruation, Ovulation, and Pregnancy Calculator With User Guides

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 Welcome to the Menstruation, Ovulation, and Pregnancy Calculator by iFairTools.com — a realistic, professional, and smart digital tool designed to help women track their period cycle, fertile window, ovulation day, and estimated pregnancy due date

🔹 Step-by-Step Instructions:

1. Enter Last Menstrual Period (LMP):

Use the date picker to select the first day of your last period.

2. Enter Average Cycle Length:

Most women have cycles between 25–30 days (default is 28).

3. Press “= Calculate” or “Get Result”

The calculator will instantly show:

Your Next Period Date

Your Ovulation Day

Your Fertile Window (best days to conceive)

Your Estimated Pregnancy Due Date

4. Use Preset Buttons:

25, 28, 30: Set common cycle lengths.

TODAY: Fills in today’s date.

AC: Clears all fields.

Example: Fills with a sample date (for demonstration).

🔹 Example Output:

Last Period: 01 Oct 2025  

Next Period: 29 Oct 2025  

Ovulation Day: 15 Oct 2025  

Fertile Window: 10 Oct 2025 to 15 Oct 2025  

Estimated Pregnancy Due Date: 08 Jul 2026

iFairTools.com — Menstruation & Ovulation Calculator

Enter your last period date and cycle length below.

Last Menstrual Period (LMP):

Average Cycle Length (days):

💡 What It Does:

This smart calculator helps users:

Track their menstrual cycles

Predict their next period date

Identify their fertile window

Know their exact ovulation day

Estimate their pregnancy due date