When you are having sex, pregnancy is always a real possibility. Sex, like other fun activities, comes with certain risks if you are not using protection, with STI’s and unwanted pregnancies being the most obvious ones.
If you want to know what’s the chance of getting pregnant if you had unprotected sex you have come to the right place.
Like others, you will hear many rumors about where and when you could get pregnant. For some women, the thought of getting pregnant is met with great joy and anticipation, while for others it’s a cause of worry.
This is why most women in the reproductive age or the ones who are trying desperately to conceive will have many questions or doubts about their chances of conceiving.
We will look further at this below to help you understand more about unprotected sex and pregnancy.
What’s the Chance of Getting Pregnant If You Had Unprotected Sex
There is a good chance that you could get pregnant nearly any time that you engage in sexual intercourse without using an effective birth control. This scenario is familiar to most women.
Pregnancy usually occurs around the ovulation period, the time when your ovary releases egg in the fallopian tube. If you are having regular periods, ovulation will take place midway between your menstrual periods.
Ovulation usually happens midway between the first-day of 2 consecutive periods, but this can vary from the eight day to the twentieth day of a 28-day cycle.
Researchers calculate the average risk at varying times in a monthly cycle of a woman, but you should know that your risk can be lower or higher.
You cannot know the definite time of your ovulation, which is why the researchers use the monthly cycle of a woman when calculating the average risk for pregnancy.
Figuring Out the Chances of Getting Pregnant If You Had Unprotected Sex
You are more likely to conceive if you have unprotected sex during the middle 2 weeks of your cycle. The time varies, but many women ovulate about day 14.
You will have the highest risk of pregnancy by having unprotected sex one or two days before your ovulation starts; when the ovary releases the egg.
This is a 30% chance. The risk of having unprotected sex and getting pregnant three days prior to ovulation is 15%. You will have a 12% chance on the ovulation day. [1]

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In the real world, large studies show that women who engage in unprotected sex during mid-cycle have a much lower chance of getting pregnant as the risk is around 5.8%.
This is because you will have a much lower risk of getting pregnant if you engage in any sexual relations on the ovulation day and any day besides the three days prior to.
Not Getting Pregnant After Having Unprotected Sex for Months
There are times when having unprotected sex is not enough for you to get pregnant. You could be doing this for months with no luck.
Thankfully, there are certain things that you could do to increase your chances if it’s taking longer than expected for you to conceive.
This includes doing thinks like monitoring your ovulation, using an ovulation predictor kit, charting your basal body temperature, as well as checking and observing your cervical mucus.
When you have an idea of your ovulating time, you can start to time your sexual activities around that period. If you are using this method, you must ensure that you are having sex 2 days before your ovulation day or every other day during the week of your expected ovulation. This will boost your chances of conceiving.
If it’s a case where you have been engaging in unprotected sexual activities for more than six months without success, you could visit your doctor or ob/gyn to know about the alternative treatments that you could use for fertility problems. There are several solutions available and they are very effective.
How to Know When You Get Pregnant
The most common sign of pregnancy after unprotected sex is missed period. However, this missed or late period is not a sure sign as there are many other things that can cause it besides pregnancy.
This includes using birth control that contains hormones, stress, sickness, improper eating habits, or too much exercise.
It is pretty common for teens to have periods which come later than normal or missed periods because it could take several years for them to have a regular cycle.
So, the best way for you to know if you are pregnant is to do a pregnancy test. These are easy to get nowadays because they are available at drugstores or health centers.
It is important to note that the home pregnancy tests are ninety-nine percent accurate if taken after you miss a period.
Hopefully, you will now know what’s the chance of getting pregnant if you had unprotected sex.
Do you have a question about your period, ovulation, pregnancy or other related topic? Check out our Frequently Asked Questions page.
Wondering if you’re pregnant? Try our Online Pregnancy Quiz and get a rough estimate of your chance of being pregnant.
Read this post to learn more about when is the right time to take a pregnancy test.
References
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1. http://www.thedoctorwillseeyounow.com/content/womens_health/art3356.html





My last period was 16 may then I had unprotected sex on 27th and 28th and usually have a 29-day cycle. Do you think I could have a chance of becoming pregnant?
Yes, there is a possibility that you conceived since you were fertile around that time.
Hi my last period came may 2nd I think it ended around the 6th or 7th , my fiancé always ejaculates inside of me he never pulls out , we have sex almost everyday if not every other day but on the last day of my period I used a morning after (plan b), we had unprotected sex then after that then like 2-3 days after I started spotting very lightly for 2-3 days , then I saw online that it said my fertile days where on the 14th May to the 18th May , we had unprotected sex like almost everyday of the 14th to the 18th which were my most fertile days , I’ve had crazy lower back pains , my Breast were hurting me like crazy one day all day but from the inside they weren’t today from the outside & some days I feel like I wanna throw up but I don’t but now for some reason I feel like my period is about to come but my question is can I be pregnant ?
Hi Kelly, pregnancy and PMS symptoms are sometimes same and based on your comments you should take a pregnancy test to be sure.
Hello I had sex on the 20th of May and I ovulated on the 22th of May. I haven’t had any signs of pregnancy really just a little abdominal cramping on the 21&22 and has beef bloated and gasy. Could I be pregnant?
Hi Sade, you could be sure by using a pregnancy test. Take it after 3-4 days to be sure.
Could I get pregnant on the last day of being fertile? My husband and I are trying. I had unprotected sex twice the last day of my fertile window and he ejaculated in me all 2 times. The ovulation calculator said I m fertile from the 18-23rd (had sex on the 23rd of a Monday) and I wanna know if it’s still a risk of getting pregnant or if it’s a little too low. Do I still have a chance? Thanks guys!
Yes, it is possible to become pregnant on the last fertile day. Your chances are still high.
Hi, me and my partner have had 3 days into my fertile week again on the last day of me being the most fertile and then again the day after. What’s the chances of me being pregnant? Is there a high chance I could have conceived this month ?
Your chances of conceiving are very high. Good luck!
I had unprotected sex with my boyfriend on May 19. I bleeded on May 10 and ended on May 13. Is there a chance that I could get pregnant? Though he didn’t released his first ejaculation inside me and on his second ejaculation, he accidentally released some inside me. Please reply 🙂
Hey, my fiance and I have decided to start a family. I had unprotected sex a week before my period and now just a week later I’m having my period. Does that mean I’m not pregnant because it’s totally different from spotting? Please…we really want a baby.
Hello. A period normally indicates that conception did not take place but as conflicting as it sounds, it is possible to have a period during a pregnancy. It’s best for you to wait and see how your symptoms will develop.
I have my period on the 22nd of May 2016, it lasts 5 days and my calendar says I’m fertile 1-6 days. Do I have sex 2 days before in June coming up? I’m on a 27 days menstrual cycle. It says my ovulation day is June 4, 2016.
You can have sex at least two days before but you must have sex on as many of your fertile days as possible. This will increase your chances of getting pregnant.
I have a 26-day cycle and I had unprotected sex on day 5 of my cycle. My period is now 5 days late and I have been cramping for almost 10 days. For three days now I haven’t seen any vaginal discharge, I am completely dry and when I squeeze my breasts there is a clear slippery fluid coming. I am 44 years old. Could it be that am pregnant?
I have unprotected sex on the 22nd of May and my ovulation happened one day after. Is there a chance for me to get pregnant?
Yes, it is possible to conceive because sperm can survive in the reproductive tract for up to five days; it’s possible that the sperm may still be hanging around during ovulation, ready to fertilize the egg.
I have a 28-day cycle. My period was on 04/30/16 to 05/04/16. My fertile window is 05/11-05/16. I don’t really know when I ovulate. I had sex on the 7th and 8th of May. What are my chances of getting pregnant? My next period should normally be here around the 28th, that’s what my Ovia app shows. I’ve been anxious about it. But I’m ready to take whatever comes. Thanks.
You ovulate on your fertile days. To increase your chances of getting pregnant, you should have sex at least 2 days before as well as during your fertile days. The more often you have sex when you’re fertile, the better your chances of conceiving. Good luck!
I had sex the 22nd of May and my period was due yesterday and I have not gotten it yet. I had all of the symptoms before then it all just stopped and im never late on my period. could I be pregnant and what are the chances? I know its super early to really know but what are the possibilities? he fully ejaculated inside of me and it was unprotected.
Hi Marissa, you can only be assured through pregnancy test. Take it 10 days after your missed period date.
Me and my boyfriend have sex every day & he finishes in me. I’ve already had my period earlier this month. What are the chances that I can be pregnant?
To increase your chances of getting pregnant, ensure that you read the information via our blog http://womanjunction.com/how-to-get-pregnant-guide/
I’m expecting my period in 3 days, but had unprotected sex twice today. Both times he didn’t finish in me, but I’m worried about the precum. Is it worth to buy an emergency contraceptive?
Not at all. You’re totally safe three days before your period.
I had unprotected sex on 3 of my fertile days and he finished inside me all 3 times but I went to the bathroom right after. Could I be pregnant? My period is supposed to come today.
Yes, it is possible for you to get pregnant if you have sex on your fertile days. Did you have your period?
I am reading where it says women have a better chance of getting pregnant if they had sex two days before ovulation day my ovulation day was may 19 to may 23 I had unprotected sex may 20 is it possible for me to get pregnant just the same???
Hello. Yes it is possible for you to conceive since you had sex during the five days that you were fertile.