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The Ovulation Calculator

The Ovulation Calculator will tell you when you are releasing an egg each month (also known as ovulating), and therefore when you are most fertile. For the best chances of conceiving you should be having sexual intercourse on these days.

How to use Nua Fertility® Ovulation calculator?

To use our ovulation calculator, simply tell us the first day of your last period, and how long your cycle usually lasts (between 20 and 45 days). Then our ovulation calculator will estimate your most fertile time and let you know the best days to have sex that can lead to pregnancy.

**This ovulation calculator provides an estimate of your fertile window and is not a guarantee of pregnancy or of birth control. The calculator and information on this website are not medical advice. Always talk to your doctor or nurse.


What is ovulation?

Each month, there are only a few days when you have the highest chances of getting pregnant! These are the days around ovulation, which is the time your ovary releases a tiny egg that is ready to be fertilised by a sperm.

Knowing the days you are most likely to be fertile can increase your chance of getting pregnant.

How to know that you are ovulating

The typical menstrual cycle is 28 days long, but each woman is different. Fertile windows are different for every woman and can be different from month to month in the same woman.

There are about 6 days during each menstrual cycle when you can get pregnant. This is called your fertile window. Ovulation signals that your body is ready for conception. Once a month a mature egg is released from the ovary, where it lies in wait for fertilisation. This is your ‘ Window’ of opportunity and the best time to increase your chances of trying to conceive.

Signs of Ovulation

  • Rise in basal body temperature, typically 1/2 to 1 degree, measured by a thermometer
  • Higher levels of luteinizing hormone (LH), measured on a home ovulation kit
  • Cervical mucus, or vaginal discharge, may appear clearer, thinner, and stretchy, like raw egg whites
  • Breast tenderness
  • Bloating
  • Light spotting
  • Slight pain or cramping in your side

Take Control of your Fertility Health

We believe in taking a proactive approach to your fertility health. Three months before conception provides a window when you can help your body be at its absolute best. Good preparation can help so many aspects of female fertility.

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