Ovulation Calculator. Use this calculator to see when you may be ovulating to help find your most fertile days. step 1. Due Date Calculator. SLIDESHOW 12 Easy, Yummy Snacks for Ovulation Calculator. Home Ovulation Calculator. Knowing when you ovulate is key when you’re trying to conceive. Your best chance of getting pregnant is to have sex during the most Ovulation Calculator. Use this online ovulation calculator that helps you to find the most fertile days and exact ovulation date to increase your chance of conceiving. Remember that a You can find an ovulation calculator online or in a fertility app. Most ovulation calculators require you to input the average menstrual cycle length, which is usually between 21 and 35 days. AdEasy To Use, and Smart Fertility Tracker. Mira Is The Right Choice When Trying To Conceive. Get Precise Data, Monitor Your Hormone Patterns, and Get Accurate Ovulation PredictionsTypes: Trying to Conceive, Trying to Avoid, Natural Family Planning ... read more
Learn more about our editorial and medical review policies. Fertility awareness-based methods of family planning. American College of Obstetricians and Gynecologists. Community Getting Pregnant Pregnancy Baby names Baby Toddler Child Health Family Courses Registry Baby Products Advertisement. First day of your last period. How long was your last cycle 28 days. By Olivia DeLong Medically reviewed by Emily Hu Jul 29, Show more. If your menstrual cycle is:. Your estimated fertile window is:.
Your estimated ovulation date is:. You are most likely to get pregnant if you have sex without birth control a few days before your ovulation date. 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. Talk to your doctor or nurse to plan for pregnancy and find birth control that works for you. Fertile windows are different for every woman and can be different from month to month in the same woman.
Learn more about your fertility if you are trying to get pregnant. A federal government website managed by the Office on Women's Health in the Office of the Assistant Secretary for Health at the U.
Department of Health and Human Services. ET closed on federal holidays. Breadcrumb Home Pregnancy Ovulation calculator. Ovulation calculator Ovulation calculator Knowing the days you are most likely to be fertile can increase your chance of getting pregnant. Fertile Window Ovulation Date. What is the start date of your period? Date must be in format: December 07, What is the average length of your menstrual cycle?
Couples can significantly increase their chances of conception by having intercourse on or before the day of ovulation. One way to improve the timing is to use an ovulation calculator. An ovulation calculator estimates the day a woman will ovulate based on the first day of her last menstrual period LMP.
The calculator works by adding cycle length to LMP and then deducting the luteal phase, which is usually defaulted at 14 days, to arrive at a predicted ovulation date. Our ovulation calculator uses your last menstrual period to predict the date you are likely to ovulate and the days you are likely fertile.
Important Note: Treat all results from any ovulation calculator as being estimates only. It is recommended that all results are confirmed by extra testing. We hope you enjoy our calculator! The fertile window: Research shows that most pregnancies are the result of intercourse in the 5 days leading up to ovulation or on the day of ovulation. Fertility is especially high 2 days before ovulation and on the day of ovulation.
It can also be helpful to focus on days your vaginal mucus is watery and stretchy, like raw egg white. Knowing your ovulation and fertile dates is helpful but not crucial.
If you regularly have intercourse 2 or 3 times a week, probability indicates you will hit the fertile window  whether or not you know the details of your cycle.
If you do NOT want to become pregnant, remember that almost any day is potentially a fertile day depending on your cycle length and timing of ovulation. When you have intercourse, the sperm released by your partner can survive for several days. If you ovulate in the following hours or days after intercourse, sperm and egg can meet and conception can occur. A sperm remains able to fertilize an egg for approximately five days after being released during intercourse.
Ovulation calculators work by adding the menstrual cycle length to the date the last menstrual period started and then deducting the luteal phase to arrive at a predicted ovulation date.
If a woman's menstrual cycle is shorter or longer than average, the follicular phase - from the onset of menstruation until ovulation - is probably the reason since the follicular phase is known to be quite variable.
The luteal phase - from ovulation until the next period begins - is generally more consistent in length, at an average of 14 days. To calculate your ovulation date yourself, use the same formula that the ovulation calculator uses:. Despite the variable nature of ovulation, an ovulation calculator provides a platform or base to start from if you are seeking to optimize your chances of pregnancy.
Ovulation calculator results should be confirmed by using an ovulation test kit or monitor, see here. Your cycle length is the number of days from the first day of one menstrual period through the day before the first day of the next period. If you have a record of your previous cycles, count how long each cycle was over the last x amount of months.
Add them all together and then divide the total by x to find the average. If you already know your ovulation date, subtract 5 days from your ovulation date find the day which is 5 days before your ovulation date.
The date you obtain is the start of your fertile window and the day of ovulation is the final day of the window. You may also be fertile 2 days before this. As discussed above, the luteal phase is now known to be quite variable, even in women with consistent 28 day cycles. But it is still reasonable to begin with the assumption that your luteal phase starts 14 days before menstruation, as long as you bear in mind that this may not be the case for you.
If you don't know your ovulation date: Assume your luteal phase is 14 days default assumption but know this may not actually be so for you. If you do know your ovulation date: The luteal phase is the number of days from ovulation to the day before your next menstrual period. If you don't know your ovulation date: Begin with the first day of your last period LMP and add your average cycle length.
Then deduct 14 days average length of the luteal phase. The remaining days are the estimated days of your follicular phase. If you do know your ovulation date: The follicular phase is the number of days from the first day of your period to the day you ovulate.
We suggest you use the ovulation calculator to find your expected ovulation date and fertile window and then use any of the following methods to help confirm your ovulation date. A combination of more than one indicator is more reliable than any one on its own. Home Pregnancy Weeks Pregnancy Calculators Announcements.
First Day of Your Last Period. January February March April May June July August September October November December Month. Your Cycle Length 20 Days 21 Days 22 Days 23 Days 24 Days 25 Days 26 Days 27 Days 28 Days 29 Days 30 Days 31 Days 32 Days 33 Days 34 Days 35 Days 36 Days 37 Days 38 Days 39 Days 40 Days 41 Days 42 Days 43 Days 44 Days 45 Days.
About Couples can significantly increase their chances of conception by having intercourse on or before the day of ovulation.
When Am I Most Fertile? Fertile Window: The fertile window starts 5 days before ovulation and ends on the day of ovulation.
Traditional assumption about the length of the luteal phase: Since the luteal phase is reasonably constant in length, it is traditional to assume that it is 14 days long and that ovulation therefore takes place 14 days before bleeding starts.
Example: If your last 6 cycles lasted 28, 32, 26, 32, 31, and 30 days. Not fertile, mucus is dry and not stretchy - Not fertile. Semi clear, can be creamy. Should be stretchy - Semi fertile.
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Ovulation Calculator. Use this online ovulation calculator that helps you to find the most fertile days and exact ovulation date to increase your chance of conceiving. Remember that a You can find an ovulation calculator online or in a fertility app. Most ovulation calculators require you to input the average menstrual cycle length, which is usually between 21 and 35 days. Ovulation Calculator. Home Ovulation Calculator. Knowing when you ovulate is key when you’re trying to conceive. Your best chance of getting pregnant is to have sex during the most AdEasy To Use, and Smart Fertility Tracker. Mira Is The Right Choice When Trying To Conceive. Get Precise Data, Monitor Your Hormone Patterns, and Get Accurate Ovulation PredictionsTypes: Trying to Conceive, Trying to Avoid, Natural Family Planning Ovulation Calculator. Use this calculator to see when you may be ovulating to help find your most fertile days. step 1. Due Date Calculator. SLIDESHOW 12 Easy, Yummy Snacks for ... read more
It usually occurs 14 days before your next period begins but may vary. Before attempting pregnancy, every female makes sure that she is healthy for pregnancy by adopting a healthier lifestyle and taking before birth vitamins. Department of Health and Human Services. The use of drugs such as marijuana, smoking, heavy caffeine, and alcohol consumption has been associated with reduced fertility. However, experts recommend comparing average cycles for three months to find the optimal fertile window. This window is also known as the luteal phase. The fertile days calculator considers your luteal phase around 14 days.Ovulation cramps are also called middle pain by doctors. What are Most Fertile Days? It can vary from person to person, but in general, the fertile window is around 14 days before your period. It varies from woman to woman but usually runs from day 10 to day 16 of your cycle. gov or. Cycle Length 20 21 22 23 24 25 26 27 28 average cycle 29 30 31 32 33 34 35 36 37 38 39 40 Calculate Fertile Days. If you don't know your ovulation date: Assume your luteal phase is 14 days default assumption but know this may ovulation date calculator online actually be so for you, ovulation date calculator online.