Fertility Calculator

First day of your last menstrual period:

Number of days in your menstrual cycle:

Your ovulation date:

Fertile Period:

What is a Fertility Calculator?

When planning a pregnancy, the first question that comes to mind is how to get pregnant. To answer this question, you have to determine the days in your menstrual cycle that offer best chances of becoming pregnant. The best way to determine these days is a fertility calculator.

A fertility calculator is a tool which determines the best days of your menstrual cycle when you can become pregnant. Using this information you can plan your chances of getting pregnant.

How Does a Fertility Calculator Work?

Based on the information about your last menstrual cycle and the duration of your cycle, the fertility calculator determines your ovulation dates and then gives you the days that offer maximum chance for a pregnancy.

How to Use This Fertility Calculator?

Here is a step wise guide to using this simple yet effective tool:

Step 1: Enter the first day of your last menstrual period in the drop box provided on the calculator. To do this click on the month bar and choose the month. Then similarly choose the date and the year of your last menstrual period.

Step 2: Next, enter the number of days in your menstrual cycle by clicking on the box below and typing in the numbers.

Step 3: Now hit the calculate button and you will obtain the results.

Results: Your ovulation date will appear in the mm/dd/yyyy format and the fertile period appears in the same format.

Note: The tool is effective for those with regular menstrual cycles only and the results should not be used as a guide for contraception.