Ovulation Predictor Calculator – Free Online Ovulation Calculator

Are you trying to get pregnant and trying to predict your ovulation cycle for your best shot at getting pregnant? Use our 100% FREE Ovulation Calculator below to help get a prediction of your ovulation cycles in seconds!

Our free ovulation predictor will even show you the estimated due date your baby would be born if you got pregnant during your next ovulation period. Try the Baby Genie free online ovulation prediction calculator to estimate your best fertile dates in the month to try to conceive. Good luck with your pregnancy efforts! Don’t forget to have fun while you try to get pregnant! The Baby Genie wishes you only the best of luck!


Ovulation Calculator and Ovulation Prediction Tool

*Please note that date based ovulation calculators are not a perfect way to predict the best ovulation period and this calculator is for estimating purposes only. For more precise calculations of your personal ovulation cycle you should consult with a medical professional about your options.

Understand Ovulation and Ovulation Cycles

When trying to get pregnant the time of the woman’s ovulation period can be one of the most important items to understand when trying to increase the odds of getting pregnant. It is, in fact, the overall determining factor of success when trying to get pregnant. The full scope of the ovulation process can sometimes be confusing and somewhat overwhelming when trying to understand and so we have tried to provide some helpful information below to help you along your way when trying to monitor or calculate your best ovulation time of the month.

What is Female Ovulation and How Does The Process Work

Simply put the ovulation process occurs when a mature egg is detached from the females ovary and then travels down her fallopian tube where it is then ready to be fertilized by the male sperm. The ovulation period typically occurs once a month and an egg will mature with the female ovaries and move toward the the uterus to meet with the males sperm. If an egg is not fertilized and no conception occurs then the thickened lining of the uterine wall will be shed to remove the unfertilized egg. This is known as the woman’s menstrual cycle or period and typically will occur each month on a fairly regular cycle.

A more in depth view of the ovulation cycle:
The start of the ovulation cycle is named the follicular phase and begins on the first day of the woman’s LMP and will continue until ovulation. This part of the cycle is different for each woman and may last anywhere from 5 to 40 days. The next stage of the process is called the luteal phase and begins the day of ovulation and continues until the next period begins. Typically this phase will last 12-16 days starting from the initial day of the ovulation cycle starting.

Once the woman’s cycle begins the estrogen levels drop and their hypothalamus sends out a signal to the pituitary gland which then disperses the follicle stimulating hormone, or FSH. The follicle stimulating hormone is what will then cause a few of the woman’s follicles to develop into mature eggs. The dominant follicle will then signal the release of the mature egg and the remaining eggs will be disintegrated and shed during the next menstrual cycle. The follicles also send out high levels of estrogen which signal the hypothalamus and pituitary gland telling them that there is a mature egg. Next the luteinizing hormone (LH) is released which is also referred to as the woman’s LH surge. This LH surge makes the egg break out of the ovary wall within 24-36 hours and the egg will start down the fallopian tube for fertilization.

The corpus luteum (the follicle that the egg was released from) will release progesterone for about 12-16 days (the luteal phase of your cycle) which will help to prepare and thicken the uterine lining for implantation. If an egg is successfully fertilized then the corpus luteum will continue to produce progesterone for a developing pregnancy until the placenta takes over. If fertilization does not happen during this period then the egg simply dissolves after 24 hours. The woman’s hormone levels will also decrease and the uterine lining will begin to shed after about 12-16 days during the woman’s menstruation period and the proccess begins again from the start. If you are trying to get pregnant you can start to look for pregnancy symptoms as early as 1 week after fertilization. A Early Detection Pregnancy Test can also be used as early as 7-10 days past your ovulation date.

Frequently Asked Questions About Ovulation

  • How many eggs does a woman have in her lifetime?
    • Each person is different but most women are born with millions of immature eggs waiting for ovulation to begin.
  • How many eggs are released at a time?
    • In most cases only one egg is released during each ovulation cycle.
  • How long does an egg live in the ovary?
    • Typically an egg will survive for 12-24 hours after exiting the ovary.
  • How long does it take for implantation of a fertilized egg?
    • Typically within 6-12 after ovulation the implantation of a fertilized egg will take place.
  • What happens to an unfertilized egg?
    • When an egg is not fertilized it simply is absorbed into the lining of the uterus and is shed during the woman’s menstrual cycle.
  • Can Ovulation Hurt?
    • Some women may experience some pain or cramping in the area of the ovaries during the ovulation cycle. Slight blood or spotting may also occur during this time.
  • Can a woman have a menstrual cycle without an egg being released?
    • Yes, a menstrual period can occur even when an egg is not released from the ovary.
  • Can ovulation occur without a menstrual period?
    • Yes, ovulation can occur even without a menstrual period.

How To Track, Calculate, and Predict Ovulation Cycles

A woman’s monthly cycle is measured from the 1st day of her menstrual period up until the 1st day of her next menstrual period. The average ovulation cycle is normally between 28 and 32 days. Each woman is different of course and so some may have longer or shorter cycles that average. You can calculate an estimated ovulation period by calculating the first day of the woman’s last menstrual period, or LMP, or you can calculate 12 to 16 days from the next expected period start date. Many women will ovulate anywhere between the 11th day to 21st day of their cycle starting from the 1st day of their LMP however ovulation can occur at different times during a cycle or each month. During this window is when the woman is typically the most fertile and has the best odds of getting pregnant when engaging in sexual intercourse with a male partner.

Ovulation Predictor Kits

Ovulation Predictor Kits (OPKs) work by detecting a LH surge in a females body. They are a great way to get further insight into when you are ovulating. You can view some of the best ovulation kits for sale online below.