Use our Online ovulation calendar calculator to find out the next ovulation or fertility date for getting pregnant. Do you know your days of ovulation Use our free ovulation calendar below as a guide to help you track your ovulation

Accurate Ovulation Calendar Calculator

Our ovulation calculator will let you know when you are most likely to become fertile over the next six months. In order to increase your chances of becoming pregnant, you should tell us the first day of your last cycle and how long your cycle will usually last (between twenty and 45 days).

We're going to create a personalized ovulation calendar that shows you exactly when you're most likely to ovulate and when you're going to be the most fertile in the coming months.

What is ovulation?

Each month, ovulation happens as your ovaries release an egg. This often happens approximately two weeks before your period begins.

It is ready to be fertilized once an egg has been released. If you have sex, sperm stays in your body for a week before an egg is released. Sex thus gives you the best chance to become pregnant the days prior to ovulation, and the day you are ovulating, gives you the best chance of getting pregnant.

Learn more about ovulation and how your menstrual cycle works.

How does the ovulation calendar calculator work?

Most women are ovulating about two weeks before their period's first day. The calculator points out when your cycle ends, and when you can ovulate, it counts back two weeks to guess. It then shows the full fertile window (the days leading up to ovulation and the day itself). This is the best time of the month to have sex if you're trying to get a child.

Also, the ovulation calculator shows you all your fertile days to come and when your baby is due when you conceive. You will, therefore, have all the details you need to continue your pregnancy planning.

NOTE: This tool presents approximate dates only and assumes a regular menstrual cycle. In case your cycles are abnormal, you may have hassle pinpointing your day of ovulation based on this calendar alone. 

How will I know when I'm most fertile?

Based on the information you give, our calculator will help you find the most fertile days of your menstrual cycle or your "estimated fertility window."

You will be fertile during the days that lead to ovulation and the day itself. Also, check for signs of ovulation, such as:

  • Basal body temperature
  • Cervical mucus
  • Changes to your cervix

If you are trying to conceive, APA suggests having intercourse every other day in this timeframe. If you are trying to prevent pregnancy, avoid sex within this period and the 3-5 days before, or at least ensure you are using a condom regular and correctly.

How long do you ovulate?

For women who have a menstrual cycle of 28 to 32 days, ovulation may occur between eleven through twenty-one days, but it only happens on ONE of these days. Note, this is just an average of days that ovulation can occur — the cycle of each female is different.

Ovulation itself lasts only 12-24 hours; that is how long an egg is available for fertilization

Should I only have sex when I'm most fertile?

Planning sex for your fertile window can be helpful If you find it difficult to have regular sex, for example, if your partner often works away. But timing and charts can be stressful for many couples and take the spontaneity out of sex.
Generally speaking, having sex every two to three days throughout your cycle will give you the best period to conceive. Sperm will be ready and waiting to fertilize your egg as it is released, no matter when you ovulate.


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