When to take a pregnancy test after unprotected sex

Waiting to take a pregnancy test when you think you may be pregnant can be excruciating. If you’ve recently had unprotected sex or experienced contraception failure, you probably want to know as soon as possible.

Before you begin to worry or make any plans, taking a home pregnancy test is a good first step. Of course, if you want to skip the home test, make an appointment

 

When Should You Take a Pregnancy Test (For Best Results)?

Option 1: Before You Miss Your Period

The earlier you take a test, the less accurate it will be. Taking a test before you miss your period or less than two weeks after sex can cause a false negative. Some women take a test too early and assume they are not pregnant. This can be especially confusing if a woman spots or bleeds during her first trimester, making her believe she had her period.

We see clients who are already entering their second trimester by the time they notice more obvious pregnancy symptoms and are shocked to find out they are pregnant.

 

Option 2: Two Weeks Later

Many women test according to the “two weeks” rule. This can provide accurate results for women with a predictable 28-day cycle and who ovulate once at a regular interval. However, some women’s cycles are not as predictable, or medications such as birth control and antibiotics can change their cycle and ovulation date. Stress can also cause interruptions in a regular or typically predictable cycle.

 

Option 3: After You Miss Your Period

The best time to take a pregnancy test is when your period is supposed to start or after you realize your period is late. If your results were still unreadable or inconclusive, retake another pregnancy test the next day. For more accurate results, take the test when you first wake up. The hCG hormone is higher and more concentrated in the morning. If the test is negative, but you still think you may be pregnant, wait a few more days and test again. HCG nearly doubles about every two days in early pregnancy. If the results are inconclusive (or the results are positive, but you’re still unsure), make an appointment with us and know for sure.

 

Pregnancy Confirmation

Taking a home pregnancy test is often the first step. We’re your second. At your pregnancy confirmation appointment and options consultation, you can determine if the pregnancy is viable and how far along you are. We will also share accurate medical information on all your pregnancy options, including abortion, adoption, and parenting. A home pregnancy test is an indicator of pregnancy, not a confirmation. That’s why you
need an ultrasound to verify an intrauterine pregnancy.

Whether you are considering an abortion or are looking for pregnancy resources, we are here with options, answers, and support.

All our services are free of charge and we do not benefit from any decision you make.

Whether you’re TTC or trying not to, the interlude between unprotected sex and a reliable pregnancy test can feel long. And in that gap, a whole host of questions might be firing.

When to take a pregnancy test after unprotected sex

How soon after sex can I take a pregnancy test?
Can I detect pregnancy in 3 days? 4? 5?

Right. Let’s get into it.

In this article 📝

  • How long after sex can you take a pregnancy test?
  • Is 7 days after conception too early to test?
  • Can you feel pregnant after 2 days?

How long after sex can you take a pregnancy test?

First, a quick spin around how pregnancy tests work. Basically, they’re on the lookout for a hormone called hCG (the long version of that is human chorionic gonadotropin). Your body releases hCG shortly after implantation.

Implantation happens like this: an egg is fertilized by an awaiting sperm and together they form a zygote. That zygote makes its way to your uterine wall where it implants in the hope of growing into a fetus.

Home pregnancy tests are pretty accurate when the instructions are followed exactly. While not all pregnancy tests are created equal, most tests claim to be 99% accurate.

If you take a pregnancy test too early, there’s a chance that you could get a false negative because the hCG levels in your body haven’t had enough chance to build up.

There are also cases where you might get a false positive. If you were recently pregnant, or had an abortion or miscarriage, you may also get a false positive because there is still hCG in your system.

Testing very early can also pick up a chemical pregnancy, which is when the zygote is formed but does not implant.

Interestingly, before today’s sensitive pregnancy tests were invented, many women had miscarriages without even realizing they were pregnant. These early miscarriages can often be mistaken for a period.

Is 7 days after conception too early to test?

The short answer is yes.

While implantation may have happened (usually around five to six days after conception), your body may still need some time to get its hCG levels up. (Anything above 25 mIU/mL is considered positive.)

How long does it take for hCG to show up in urine?

If you are pregnant, hCG should show up very soon after implantation has taken place—about 10 days after unprotected sex.

Because conception happens somewhere around the time you are ovulating—ie. when an egg is released from your ovary—a helpful TTC marker is how many days past ovulation you are. If you’ve seen the acronym DPO, that’s what it stands for.

So if you’re wondering when is the best time to take a pregnancy test, a good time is about 14 DPO.

And if that feels really confusing and/or you have no idea when you ovulated, the easiest is to wait until after your next expected period.

If it doesn’t come, take a test. If you’re unsure of the result you get, take another one in a few days’ time.

Can you feel pregnant after 2 days?

While you may not be able to get a conclusive test for a bit, it’s not uncommon to start experiencing symptoms as soon as a few days after conception.

And if you’re not feeling anything, that doesn’t mean anything either way. It’s totally normal to not have any symptoms until much later in your pregnancy.

One of the more common early pregnancy symptoms is implantation bleeding—which often looks more like spotting than a full on period—and cramping.

But you may have to wait until at least five or six days after having sex before implantation takes place. Two days might be a little soon.

And if you’re looking for some help with surviving this time (AKA the infamous TWW or Two Week Wait), we’ve got you covered.

We know this time can be super stressful. We’re wishing you all the best.

💡 More from The 411:
Ovulation Tests: How They Work & When to Use Them
Negative Pregnancy Test But Feeling Pregnant? What’s Going On?
What is the Evaporation Line?
When is the Best Time to Take a Pregnancy Test?
Pregnancy Symptoms but Negative Test
Does a Salt Pregnancy Test Work?
Can Toddlers Tell When Someone is Pregnant?
Is Pooping a Lot a Sign of Pregnancy?

Waiting to take a pregnancy test when you think you may be pregnant can be excruciating. If you’ve recently had unprotected sex or experienced contraception failure, you probably want to know as soon as possible.

Before you begin to worry or make any plans, taking a home pregnancy test is a good first step. Of course, if you want to skip the home test or you need to confirm your pregnancy, make an appointment today.

When to take a pregnancy test after unprotected sex

When Should I Take a Home Pregnancy Test?

Avoid Taking Your Pregnancy Test Too Early

The earlier you take a test, the less accurate it will be. Taking a test before you miss your period or less than two weeks after sex can cause a false negative. Some women take a test too early and assume they are not pregnant. This can be especially confusing if a woman spots or bleeds during her first trimester, making her believe she had her period.

What Is The "Two Weeks" Rule?

Some women test according to the “two weeks” rule, which is the period of time between ovulation and when a pregnancy can be detected on many home tests. This can provide accurate results for women with a predictable 28-day cycle and who ovulate once at a regular interval.

However, some women’s cycles are not as predictable, or medications such as birth control and antibiotics can change their cycle and ovulation date. Stress can also cause interruptions in a regular or typically predictable cycle.

After You Miss Your Period Is Best

The most optimal time to take a pregnancy test is after you realize your period is late. If your results were still unreadable or inconclusive, retake another pregnancy test the next day. For more accurate results, take the test when you first wake up. The hCG hormone is higher and more concentrated in the morning.

If the test is negative, but you still think you may be pregnant, wait a few more days and test again. HCG nearly doubles about every two days in early pregnancy. If the results are inconclusive (or the results are positive, but you’re still unsure), make an appointment with us and know for sure.

Next Step: Confirm Your Pregnancy

Taking a home pregnancy test is often the first step. We’re your second. At your pregnancy confirmation appointment and options consultation, we will evidence-based medical education on all your pregnancy options, including abortion, adoption, and parenting.

A home pregnancy test is an indicator of pregnancy, not a confirmation. That’s why you need an ultrasound to verify an intrauterine pregnancy. Usually 5-7 weeks after the first day of your last period is a good time to have your initial ultrasound.

Whether you are considering an abortion or are looking for pregnancy services, we're your go-to resource for options, answers, and support.

Our pregnancy services are provided at no cost to you and we do not benefit from any decision you make.