April 25, 2023

How to Use a Period Calculator

Are you having problems determining the dates for your monthly period? If so, you should know that a period calculator will help you to estimate …

How to Use a Period Calculator

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510 thoughts on “How to Use a Period Calculator

  1. Hi. My periods r not that regular, but my period came on the 7 of August, and finished in 5 days, had sex with my boyfriend on 16 , is it possible I can get pregnant? Plz give me some advice on how couples can prevent pregnancy before the egg come down after period. Thanks

  2. Period started July 5 2014, had sex July 26 no protection, was supposed to start period on aug 2 i haven’t started, took test shows negative.Can i be pregnant just testing to early?

    1. Hi ,

      You had non protected sex in your fertile window, test it again as the test will show positive in average 14 days after the conception only … Do your test with the morning urine as it is the most concentrated in HCG if there is a pregnancy it will show .

      have a nice day

  3. I had my first child on the 12th of may but i lost him and my period came 27th june and it came again 26th july and flowed for 5days and i had sex with my husband 7,9,11,13, is there any possibility for me getting pregnant again? cos there are no signs at all. pls reply.

    1. Hi , it was early in your cycle to be in the fertility window, but nature sometimes gives surprises. The one day on 2 is the best way to get pregnant.

      Good luck

  4. I started flowing on the 26Th of July and had sex on the 13Th of August, can I get pregnant?

    1. Hi,

      It is a bit early in your cycle, even if you have a short one, but as I always says ! life known how to make its way. you can count an extention of 72 h after your last intercourse as the spermatozoides are living that time in the womb.

      Good luck

  5. I had unprotected sex all month my last period was July 27th,2014….I been having morning sickness and tender chest with bloated belly am I pregnant. .

    1. Hi , if you are 3 days before your periods, you are too early to test yourself, it is pure waist. First response test are the earlier and more relible test and they can garantee you a result 3 days before your periods. Also test yourself with the morning urine, if you are pregnant, that the urine that will have the highest concentration in HCG, the pregnancy hormone.

      Good luck

  6. Please answer I have had 4 negative test period suppose to start the 24th… is there a little or big chance I’m pregnant

    1. Hi , Please have an appointment with your physician if that lateness is causing you such stress. As it is obvious that it is not due to a pregnancy.

      Good luck

  7. I saw my period on the 15th of august and it ended on the 19th of august, I had sex with my bf on the 23rd of August can I possibly get pregnant?

    1. every time you have unprotected sex there’s a possibility of getting pregnant. seems like you didn’t yet reach your fertile period as it’s only 4 days after your period so the chances are a bit smaller, though. good luck

      1. I am 38-years old. My period is always regular 28 days. Well, my period came on July 29, 2014 and went off on August 2, 2014. I had unprotected sex on August 12th and August 22 and September 2. No period yet. I took two tests and they were negative. When should I take a test or shall I seek medical help.

        1. Hi , skipping a cycle can happen, you had random intimate moment in your fertile window, but we never know … having 2 negative result being already a couple days late … I think they are right… New job, new diet, new gym routine could explain your cycle disbalance… but at anytime if you don feel comfortable with this issue visiting your physician will give you straight answers.

          Good luck

    2. Hi , it is not common to get pregnant on a random try … but nothing is possible, when your next peroid time will come you will know ! If you get late test yourself !

      Good luck

    3. My first period is aug 19 we have sex at sept 5 sometimes my cycle is 25 days or 28 days. Will i get pregnant?

    4. Pls I started my menses on 1st of September n finished on 15th, I know its abnormal but I want to know when I’m likely to ovulate and though this is the first time its happening and it wasn’t a flow all through though but a 5 days flow n blood pant stains for another 10 good days with thick blood some times. thanks

    1. Hi, depending on the length of your mens cycle .. possible but It is very early even in a short cycle fertile window. Sometime nature is hiding nice surprises !

      Good luck

  8. Hi. My last menstrual period is june 23, 2014 to june 26 have sex on july 13, 14, and 16. And on july 19 I had spotting the next day light spotting 3rd day need tampon but didn’t full 4th day same and 5th day spotting again. Can I be pregnant? No AF till now. Thanks.

    1. My regular period is always heavy to light. That’s why I’m curious. I don’t want to be disappointed again.thank you.

      1. Hi , cycle can change in a women life many many times, change of routine, stress, new job and even work out. The best way to avoid being disapointed is to test yourself as soon you have a doubt as some women will have bleeding looking like periods during the first trimester.

        Good luck

  9. my period started on Aug 23, I am trying to have a boy. I had my Iud taken out in April and I am having trouble. when should I try for a boy and when do I ovulate

    1. Hi , to cenceive a boy you have to concentrate your tries on the very first days of your fertile windows reason being that boy spermatozoids are consuming more energy so die quicker then the females one in the womb. If you have ease to conceive you might be successful but if you struggle to get pregnant … maybe you should just give as much tries as you can to get just a healthy baby. Also change your diet for a more alkaline one as it suit more the male spermatozoids.

      Good luck !

  10. Hi. I got my last period on july 30, 2014. We had intercourse on 13th and 15th day of cycle. On 17th day I got urine infection for which I took antibiotics for 5 days. Can that be the reason of delay in periods or I could be pregnant. My lower abdomen is a bit heavy as it happens during or prior periods.

    1. Hi , you were right into your fertility window, antibiotic treatment can reduce or completelly nil the birth control pills. As of now you are late in your periods, test yourself ! Dont forget to use the morning urine which have a higher concentration in HCG, it will not lie !

      Good luck

  11. Had mirena removed July 11 had sex July 17 18 19 spotting July 26-29. Cycle begin August 20 sex August
    26 notice ovulation symptoms August 28-Sept 1 what are my chances of being pregnant

    1. Hi , Your cycle need to come back as with Mirena you most likely had no period for a while. Being pregnant is possible but it is always recommended to wait 3 cycle before trying to conceive after stopping birth control. Your cycle starts on the first day of your periods so on july 26th if that spotting was periods, ovulation will be 14 days after that if you have a regular 28 days cycle…. look for an ovulation calendar whenever you sized your cycle lenght !

      Good luck

  12. hello doctor please am really confused. I had my period on august 1 and ended august 7. I did insemination on august 18 and august 26 i started bleeding thinking it was implantation which was quite heavy for 2 days,,,then spotting for 1 day and quite heavy for a day,,,,still spotting til sep 2. I did pregnancy home test on the 1 of sep which was negative and another urine test at my doctor’s clinic on the 2 which was also negative. I never normally have two periods in a month because i was suppose to have my next period sep 1 which is now just a lil spotting. Can i still be pregnant? Am really confused or should i wait to take more pregnancy test? Thank you.

    1. A blood screening pregnancy test is never lying as it look for presence of HCG in your blood the pregnancy hormone, normally did in 2 time to be able to compare if it is increasing of decreasing in case of a miscarriage… With your situation and the hormonal cocktail you took during fertility treatment, I dont think that you can rely on a traditional pee on a stick test.

      Good luck

  13. Hi,my period is not much regular..I had my period on 25 july and ended on July 31..I had sex on 4,6,7,8,11,14,19,21…I spot on 26 and 27 august,that was very little..I had a sore breast and last 4 days..I had headaches and backaches for almost a week..I took home pregnancy test on 23 and 29 aug…both are negative…can I be pregnant?

    1. Hi , yes you can be, you tested yourself maybe a bit too early, the test will show positive 14 days after conception ! So 14 days after the 21 st …

      good luck !

  14. Hi, I am writing because I am unsure of what my problem could be I’ve missed a period i have regular periods that last 4 days… first day of my last period was 30th july … my next was due on the 27th of aug but didn’t show and I still have no signs of it coming. I cannot be pregnant due to using condoms as we are not trying to conceive. any ideas on what could cause this ?.

    1. I’m.having the same problem tho we are trying to conceive, all my tests have been negative and still no sign of a period could it be to early yup tell? Last period was july 30 off on the th was supposed to start the 27th, of august and still no sign?

    2. Hi,

      New job, new Gym routine, having a loss in your friend or familyor just being very stressed about something can cause a cycle to be skip, dont worry. If you skip the next cycle … please have an appointment with your physician to try to identify what is going on!

      Good luck

  15. Hi, I had unprotected sex on july28 and I took a pill on july 30 app 49 hours after,and I started my period July, I have taken 2 pregnancy test both negative.my period should have started aug 28 .cud I be pregnant? Thank u

    1. Hi, ealier you take the emergency birth control pill, more effective it is, dont forger that the action of the pill is to trigger you a period so to destroy the endometra to prevent the nidificaion of a possible fertilized egg… It is quite normal to have a missed cycle afterward, if you are uncomfortable with the missing cycle, please have a chat with your pharmacist or your physician.
      Good luck !

  16. Hi i wanted to know can you still be pregnant with negative blood and urine tests. I have symptoms feel movement’s and missed two periods confused never missed a perperiod and im regular never be late. Except for when i was pregnant.

    1. Hi, blood test doesn’t lie ! as it is done to identify and quantify the presence of HCG, the pregnancy hormone, if it is not found … you are not pregnant, there is no doubt, As off movement feeling, when we are listening to much to our body we can feel the peristaltism, in other words .. the intestine is constantly moving and gliding. If you are not comfortable with your symptoms, a visit to your physician will always give you straight answers !
      Good luck

  17. Hi ya. The first day of my last period was 19 august. I had unprotected sex on the 26th day 8, protected sex (condom) day 13 and unprotected on the 5 September day 18. Yesterday and today 8&9 sept I have felt nauseous all day on and off and I have had quite bad diarrhea this morning. I took a pregnancy test yesterday and it was negative but I realise it’s probably to early to see but what awe the chances I could be pregnant? My cycle for the last few months has been 30. 30. 26. 28. 26. 27

    1. With irregular cycle there is a master rule to know when it is the time to test yourself. 14 days after the first unprotected intimate moment up to the 14th day after the last day of unprotected intimate moment, as it take that time to built up enough HGC to show a positive result.
      Good luck !

  18. Hi I had my period on july 31st. And haven’t got it since. I have been having unprotected sex since then. I had a blood pregnancy test and it was negative. Can I still be pregnant?

    1. Blood test doesn’t lie. If there was no HCG tracked in your blood, there is no pregnancy ongoing. Keep trying !
      Good luck

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