Ovulation Calculator

Our free ovulation calculator does all the figuring for you. There are many benefits of using an ovulation calculator, like knowing when you are ovulating and knowing when you are the most fertile. You can better plan a pregnancy by having intercourse when you are ovulating. You will know when your fertility is highest.

You can increase your chances of having a boy or a girl by having intercourse on certain days. If you have intercourse three days before you begin ovulating, your chances are better of having a girl. This is because the sperm carrying female X-chromosomes live longer and swim slower than male Y-chromosome carrying sperm.

You can prevent an unwanted pregnancy by making sure you don't have unprotected intercourse while you are ovulating.

Remember, having intercourse when you are ovulating, and also on your peak fertile day increase your chances of becoming pregnant. Also, please note that these results can be affected by your cycle regularity, as well as many other factors. Use this ovulation calculator as a basic guideline.

For a simplified version, use the calculator below:

Basic Ovulation Calculator and Calendar

There are also physical signs you can look for. One is a change in cervical mucus. A few days before ovulation, cervical mucus will often become more plentiful and clearer. It commonly will have an appearance similar to egg whites.

You also may experience some discomfort or cramping on one side of your lower abdomen. Some women observe slight spotting when they ovulate, while others feel nauseous or have a slight upset stomach upset.

Each woman's body is different, charting your fertility is a great way to get to know your cycle and your body.


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