Ovulation Calculator

Are you trying to get pregnant or planning on it in the near future? If so, you can greatly improve the likelihood of getting pregnant by determining when you will ovulate next. Ovulation is the release of a female's ripe egg from her ovary. When this occurs, you are the most fertile.

Use our Ovulation Calculator to estimate your next ovulation date; simply enter the first day of your last menstrual period and the average length of your cycle. Because our tool provides you with only an estimate, consider yourself the most fertile during the period of 3 days before and 3 days after the estimated ovulation date. Best of luck!!


Estimated Ovulation Date:

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298 comments

  1. Profile photo of Ana Ana says:

    Hey. I was using pills but not taking them daily as me and my boyfriend sumtimes we finish month without having sex on the one the 3rd March it was my last day of my periodd and we had unprotected sex on the 5th and I took red pills and we had sex again on the 17 March and on the 24 we used condom Burton it burst on Tuesday I tested positive. When could I have conceived?

  2. Profile photo of Adaora Adaora says:

    (Am trying to conceive) My last period was on 4-7th of April I had 10- 15th
    Of the same month …Is there a chance of getting pregnant?
    And pls when is my most fertile days?

  3. Profile photo of Alfa Alfa says:

    My period ended April 14 2017 when is best time for getting pregnant

  4. Profile photo of Goodness Goodness says:

    My period was 2 April to 7 April 2017,when should I try for a baby boy

  5. Profile photo of Israel Israel says:

    What’s the odds of having a child at 32

  6. Profile photo of Victoria Victoria says:

    My period started on the 11th april i am still on it till tomorrow when would i be ovulating next

  7. Profile photo of Omowunmi Omowunmi says:

    My period came 26th of March and lasted for three days when can I make a baby

  8. Profile photo of Stacey smith Stacey smith says:

    My period came on the 4 of april wen can i make a baby

  9. Profile photo of Tameeka Tameeka says:

    Hi i started my period on 3/13/17 and it stopped the 14th then started again on the 15th and i went off on the 22 my ovulation calendars say i am supposed to ovulate on april first but i didn’t and my mucus is creamy how can i check

  10. Profile photo of Parul Parul says:

    I had my period on 8 march 2017 and i had unprotected sex daily what are the chances of getting pregnant my age is 29 and my menstrual cycle is of 28 days

  11. Profile photo of Renee Renee says:

    My last period started 2-19 but it was later in evening and flow started more 2-20 I had sex 3-2 and 3-8 now I’m only a day late and kind of feel like I’m going to come on but haven’t which day is more likely I got pregnant if so

  12. Profile photo of Lucy Lucy says:

    Hiya everyone I had my period on the 12th of January for about 4-5days and in Feb was feeling abit sick so I done a test on 9th of Feb 2017 and wasn’t pregnant and then done on 15th Feb 2017 An was faint when do you think I conceived ? Xx

  13. Profile photo of Joanne Joanne says:

    Hi all can someone help me ….. I came on my period 7th of February 2017 came off 13th had unprotected sex 14th and 20 …. around the 27th I lost like mucus stringy slight pinkish and today’s date is the 9/03/2017 …. am I pregnant?

  14. Profile photo of Jeanette Jeanette says:

    I had sex three days before my period I started having sex from 04/03/2017 to 06/03/2017 and on the 07/03/2017 had a period and its heavy now could I be pregnant? And what are my fertile days coz I don’t know since I had still birth last year august

  15. Profile photo of jenely jenely says:

    how do I find out the length of my cycle ?

    • Profile photo of Megan KlayEditor Megan Klay says:

      Hi Jenely – Just record it! There are a few free apps out there, or you can just note in your calendar the first day of your cycle one month and the first day the month following, and that is the time between. Best wishes!

  16. Profile photo of jenely jenely says:

    can Somebody Please Explain to me This ovulation Cycle stuff ? it’s So Confusing . I’m Trying to conceive but I’m not sure when to have sexual intercourse ,even though I have it everyday except on my period . I’m on my menstrual right now February 20,2018 . my period only last 4-5 days . when is it best that I let my boyfriend ejaculate inside of me ?

  17. Profile photo of jenely jenely says:

    hi Me And My boyfriend are Trying to have A Baby . When I Should I Have Sexual Intercourse? I’m On my Period as of right now . february 20,2018.

  18. Profile photo of Ikeia Ikeia says:

    Hello no answer yet,!!

  19. Profile photo of Ikeia Ikeia says:

    Hello My Husband and I are trying to conceive .. The first day of my period was Feb. 6, 2017 what days should we have intercourse to conceive?!!!!

  20. Profile photo of Erica Erica says:

    My pierod came on on the 2nd of February and when off on the 7th of February I’m trying to find out when I will start ovulating can someone please help me??

    • Profile photo of Megan KlayEditor Megan Klay says:

      Hi Erica – How many days do you typically have between periods? If it’s 28 days, then our tool estimates you’ll be ovulating tomorrow, 2/16.
      Our Ovulation Calculator uses the first day of your last menstrual period and the average length of your cycle to calculate your estimated ovulation date. Because our tool provides you with only an estimate, consider yourself the most fertile during the period of 3 days before and 3 days after the estimated ovulation date. Best of luck!!

    • Profile photo of Erica Erica says:

      Nobody can help me???

  21. Profile photo of Winnie Winnie says:

    I got my period. On the 3rd of February and want on the 6th of February. An came back on the 11of February. Just a show does. It mine. I pregnant

  22. Profile photo of Winnie Winnie says:

    I got my period. On the 3rd of February and want on the 6th of February. An came back on the 11of February. Just a show

  23. Profile photo of Glory Glory says:

    Thanks for the answer it help know when I should have ovulate

  24. Profile photo of verchelle verchelle says:

    Hi ladies. Can someone give me advice. I had started my first day of my period on November 22 2016. I had unprotected sex Dec 6 & 8th 2016. Which one would be more accurate that i conceived?

    • Profile photo of Megan KlayEditor Megan Klay says:

      Hi there – Those dates are very close together so it’s really hard to say. Is your average length between cycles 28 days? If so, according to our calculator you would have ovulated on 12/6. Best wishes to you and your baby. Congratulations!

  25. Profile photo of Quadirrah Quadirrah says:

    Hello I need some help never been pregnant before but I ovulated the 11th or 12th and had unprotected sex the 7th but 2 days later I felt mild cramping on an off for almost 2 weeks straight ,bubbles in stomach, no appetite.Also I took a pregnancy test on the 16th I think it was to soon.It just feels like something is there also felt AF cramps twice last week and nothing came.

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