Conception Calculator: Find Your Conception Date
Medically Reviewed by Dr Afzaal Ahmad
Table of Contents What is a Conception Calculator How Does It Work? How is the Conception Date Calculated and What is it Based On? Facts about Conception Calculating based on your Estimated Due Date Calculating Based on your LMP Calculating Based on Ovulation Dates/Fertile Period Calculating Based on your Ultrasound What Can Affect Conception Dates Is the conception calculator practical? FAQ’s What is a Conception Calculator A pregnancy conception calculator can help you determine when your baby was conceived, based on a few different factors such as the first date of your last menstrual period (LMP), the due date of
Conception Calculator: Find Your Conception Date
About The Author
Daniella Hall
Mom to an amazing and crazy toddler, Aaron, with a passion for women’s health and wellness. One the side she also loves being outdoors, baking and creating cooking videos with Aaron
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I had sex on Oct 11th but got my period Oct 25th and it lasted a week it was it’s usually bloody mess. Then I had sex nov 5th. I’m due August 1st, I just want to make sure when I got pregnant from which date to finish my baby album, I have friends in both ears claiming both dates.
Hi Tracey, based on the calculator found here : https://womanjunction.com/conception-calculator-find-your-conception-date/, you would have conceived November 5th.
hi. I had sex with my partner on the 15th. Then i had sex with my ex on the 30 or the 31st of october 2016. My due date is july 31st 2017. Who is the father? Please help My due date is july 24th 2017. but he born on 18th of july c section 1 weeks early so Who is the father? Please help
Hi Frances, based on the calculator, which I will link below, with a due date of July 24th, 2017, you likely conceive with your ex. The only way to know for sure though is a DNA test.
Hello my LMP was on november 7 my approximate due date is August/14/2018 I was having sex with my boyfriend most of the time my ovulation day supposedly was on november 21 but on november 22nd a friend and me tried to have sex he has no sperm count due to an hernia surgery he dad when he was young and he couldn’t get an erection that day but still he put it in like that for like less than a minute…. is there any chance that the baby could be his ? please help
Hello Andrea, to find out your conception date (this will let you know the baby’s father) use the below link:
https://womanjunction.com/conception-calculator-find-your-conception-date/
Hey Andrea. I’m on the same boat. But an ultra sound tech told me last time I’m measuring a day behind my edd which is the same day as you. I saw her March 1, 2018 and she said I’m supposed to be 16 weeks and 2 days but you’re measuring one day behind. No biggie. So I know that doctors won’t change my due date. But I had sex with one guy November 22, 2017 and he physically came in me. 2nd guy was the next day November 23, 2017 he didn’t finish at all. So I’m scared with all my heart. But if the stars are aligned and I’m going by the way the ultra sound tech is measuring me, I pray and hope that the guy who came in me is the father.
Please anyone could help my situation? I’m Liz who posted this comment.
Hi Liz, Because it could honestly be either of them (pre-ejactulation still contains sperm), I would probably get a DNA test when the child is born. Good luck.
If my conception dates by my doctor said it looks like between the 18th- at least the 23rd of November and my probable conceived/ovulation date is 21st, and November 22nd, guy came in me and I had sex the next evening (late evening to be exact), guy on the 23rd didn’t come in me (yes possible sperm in precum if he has sex prior or masturbated prior) and sperm can live up to 3-5 days, wouldn’t it be guy November 22, be the father? I know I’m going to do a paternity test when baby is here. Still any advice?
22nd guy came in me and 23rd guy didn’t.
Hi Liz, unfortunately I have no other advice at this point. Now for you it would be a waiting game to determine who is the father of your child as it could be either of them. While I would caution to say it could be the person on the 22nd, however it’s not something that we can determine by comments or anything, it will have to be by genetic testing.
Hey I am going through the same exact thing, My due date is August 13th I had sex with somebody November 17th not sure if he came and had sex with my ex November 22nd who is most likely the Father? i am freaking out
Hi please help me. I had sex on the 7th of January 2018 and after some days my boyfriend told me to test, l tested negative. Then after 2months l started feeling bitter taste in my mouth and l thought, since l was fasting it could be the effective only to get a scan showing that lm 8 weeks pregnant. My last period was started on the 25-12-2017. Does it mean l conceived on the 7th January or before?
Hello Mavy, use the following link to calculate your conception date:
https://womanjunction.com/conception-calculator-find-your-conception-date/
I had sex with my boyfriend on 6-12-2017and I was on the second day of my period, am now pregnant how old could it be
Hi Sylvia, Honestly you should have already been to the doctor, had your ultrasounds and prenatal care. That being said if that was your conception date you about 36 weeks pregnant and due around the 19th of March.
I had sex with my boyfriend at 5th of December 2017 then I got tested at 8 February then I found that am pregnant so I want to know how do I count or how many weeks am I?
Hello Mbalienhle, use this link to count how many weeks pregnant you are: https://womanjunction.com/how-many-weeks-pregnant-am-i-pregnancy-calculator/
I last had my period on the 8th of january and I had unprotected sex on the 29th of January…my question is how can I know the days I am at risk of conceiving??
Hi Jeddah, One I would recommend using protection if you don’t want to get pregnant. Secondly you can use the handy calculator HERE To determine when you are ovulating. According to that link, you were at peak ovulation from January 18th through 22nd.
Hi am Layla am expecting a baby on the 28th of may, can I ask when did I conceive?
Hi there Layla, the below link will help you with this information: https://womanjunction.com/conception-calculator-find-your-conception-date/
Hello, I can’t remember the last day of my period but it was around first week december. I had sex with my partner almost throughout December but then I cheated with my ex on the 27th and didn’t use any protection. So today I found out am 5 weeks pregnant. Is there any chance that my ex could be the father?
Hi there Nompumelelo, use the following link to calculate your conception date: https://womanjunction.com/conception-calculator-find-your-conception-date/
When is your due date from the doctors?
My last menses was 11/6/2017, It has not come on yet as 12/15/2017. I have taken 2 pregnancy test, they both were negative. What could be wrong with me? I am 40 years old and overweight.
Hello Tanya, if after 7 days it has not returned then take a pregnancy test to see if you might be pregnant.
Hi I had my period in september First week and last week…but october i don’t remember the days…i had a clear blue test an it shows I’m more than 3 weeks pregnant..how do i calculate my weeks since i don’t remember october’s period?
Hello Noreen, use the below link to calculate how many weeks pregnant you are: https://womanjunction.com/how-many-weeks-pregnant-am-i-pregnancy-calculator/
Hi i started spotting on october 5th got my period october 6th lasted about 5 days i had a one night stand with a guy on the 5th of october we used condom but i think it broke ended up getting back with my bf october 7th have had alot of sex with him since missed my period for november and am now pregnant any way to help me figure out who the father could more likely end up to be ?
Hello Stella, yes, please use the following link to determine who the father might be: https://womanjunction.com/conception-calculator-find-your-conception-date/
Hi! My LMP was 8-9-17 & last encounter was 8-27-17 before we broke up on 9-4-17. I went and got blood work and my hcg was 98. Take in consideration im a bbw. There is a knot in my lower stomach, i get motion sick more often and breasts are dripping clear like colostrum.
I told the er dr that this happened when i got pregnant with my daughter whom is now 1.7 months. They said at 4 weeks id be 98 at hcg. Not at 9 weeks. Can i get some advice please?
Hello Alisha, this indicate pregnancy. Please get more advice from your doctor given that they took your blood test and have the knowledge of your current condition.
My LMP was 6/29/17. I had sex with a guy on the 12th,13th of July and before the on the 15th with an old friend one time. I know this is very close is there anyway I can determine the father?
Hello Anonymous, please use link below to determine this: https://womanjunction.com/conception-calculator-find-your-conception-date/
I had sex with my boyfriend September 1st and September 11th. We used a condom. I’m not sure if it broke. I got my period on September 13th for a few days. I had sex with my ex on september 19th and September 24th. There were issues both times with the condom. I didn’t get my period in October. I just found out I’m expecting. Which one is the father?
Hello Destiny, use link below to determine this: https://womanjunction.com/conception-calculator-find-your-conception-date/
Hi…
My period cycle is normally 28 days. My LMP is July 29th, 2017 and we had sex on August 9th which was on day 12 of the cycle. Can you predict the gender of my baby?
Hello Nabila, please see the below link: https://womanjunction.com/baby-gender-predictor-test-predict-baby-gender-quiz/