When To Take A Pregnancy Test Calculator Based On Conception

A positive pregnancy test will usually show up around the time of your missed period. The best time to take a pregnancy test is 14 days after ovulation/fertilization, or just before or at your expected period. This calculator helps point out the critical time when you might experience an early or late period and therefore not be able to take a pregnancy test prior to then. So check out our free Pregnancy Test Calculator today!

This calculator will help you determine the time to take a pregnancy test. It takes into account your conception date and the average days for ovulation and fertilization. To get an accurate result, use first-morning urine (after you pee) or urinate directly on a home pregnancy test stick if possible. Enter the data and the results will be calculated using averages provided by health professionals.

If you’re wondering whether it is too early to take a home pregnancy test, or if you should count back 18 days from the day your period is late, then this calculator will give you an answer. It takes into account that implantation may occur 6 days before a pregnancy test would show up positive.

If you have missed a period and recently had unprotected sex, you may be pregnant. Pregnancy tests are most reliable from the first day of your missed period.

When you can do a pregnancy test

You can carry out most pregnancy tests from the first day of a missed period. If you don’t know when your next period is due, do the test at least 21 days after you last had unprotected sex.

Some very sensitive pregnancy tests can be used even before you miss a period.

You can do a pregnancy test on a sample of urine collected at any time of the day. It doesn’t have to be in the morning.

Where you can get a pregnancy test

You can buy pregnancy testing kits from pharmacists and some supermarkets. They can give a quick result and you can do the test in private.

The following places provide free pregnancy tests:

You may also be able to get a pregnancy test free of charge from your GP.

How does a pregnancy test work?

All pregnancy tests detect the hormone human chorionic gonadotrophin (hCG), which starts to be produced around 6 days after fertilisation.

Most pregnancy tests come in a box that contains 1 or 2 long sticks. You pee on the stick and the result appears on the stick after a few minutes. All tests are slightly different, so always check the instructions.

Pregnancy test results

Home pregnancy tests are accurate as long as you follow the instructions correctly.

A positive test result is almost certainly correct. However, a negative test result is less reliable.

The result may not be reliable if you:

  • do not follow the instructions properly
  • take the test too early

Some medicines can also affect the results.

If you get a negative result and still think you’re pregnant, wait a few days and try again. Speak to your GP if you get a negative result after a second test but your period has not arrived.

Continuing with the pregnancy

If you’re pregnant and want to continue with the pregnancy, contact your GP or a midwife to start your antenatal care. You can use the pregnancy due date calculator to work out when your baby is due.

If you’re not sure you want to be pregnant

If you’re not sure about continuing with the pregnancy, you can discuss this confidentially with a healthcare professional. Your options are:

  • continuing with the pregnancy and keeping the baby
  • having an abortion
  • continuing with the pregnancy and having the baby adopted

As well as a GP or a nurse at your GP surgery, you can also get accurate, confidential information – from the age of 13 – from the following:

All these services – including community contraceptive clinics – are confidential. If you’re 13 or older, the staff won’t tell your parents. They’ll encourage you to talk to your parents, but they won’t force you. 

If you’re under 25 and would prefer advice specifically for young people, the sexual health charity Brook provides a range of services for young people. The Brook website contains information on pregnancy choices. You can also use the Ask Brook 24/7 service.

Video: Is the pregnancy test accurate?

In this video, a midwife explains when you can take a pregnancy test and how to do it properly.

When To Take a Pregnancy Test After Missed Period

How do pregnancy tests work?

Pregnancy tests are an easy and accurate way to find out if you’re pregnant — you just pee on a stick. They’re inexpensive and available at most drug and grocery stores.

How accurate are pregnancy tests?

Pregnancy tests are super accurate when you use them correctly. The pregnancy tests you get at the drugstore work 99 out of 100 times. They’re just as accurate as a urine pregnancy test that you’d get at a doctor’s office.

Pregnancy tests work by checking your urine (pee) for a hormone called human chorionic gonadotropin (HCG). Your body only makes this hormone if you’re pregnant. HCG is released when a fertilized egg attaches to the lining of your uterus — when pregnancy begins. If your pregnancy test results are positive, it means you’re pregnant. If they’re negative, it means you’re not pregnant.

Pregnancy tests are most accurate when you take them after you’ve already missed your period.

A pregnancy test will be less accurate if it’s expired or if you don’t use it the right way. So always check the expiration date on the package, and carefully read the directions that come with your pregnancy test.

How soon can I take a pregnancy test?

You can take a pregnancy test anytime after your period is late — that’s when they work the best. It’s a good idea to take a pregnancy test as soon as possible if you miss your period or think you might be pregnant.

The earlier you know you’re pregnant, the sooner you can start thinking about your options and get whatever care you need to stay healthy.

Many pregnancy tests say they work a few days before a missed period, but the results are usually less accurate then. Read the label on your pregnancy test to find out when to take a pregnancy test and how accurate it’ll be.

Sometimes a pregnancy test is able to find pregnancy hormones in your urine as early as 10 days after unprotected sex. But these results aren’t super reliable, and you may get a false positive or false negative test result.

If your periods are very irregular, or you don’t get periods at all for one reason or another, your best bet for accurate results is to take a pregnancy test 3 weeks after sex.

Where can I get a pregnancy test?

You can buy a pregnancy test at your local pharmacy, drugstore, grocery store, and some convenience or dollar stores. Pregnancy tests are usually inexpensive — they can cost as little as a dollar. Sometimes you can get a free pregnancy test at certain health centers.

You can also get a pregnancy test from your nurse or doctor, community clinic, or local Planned Parenthood Health Center. Most health centers use the same urine pregnancy tests that you can buy in stores. Sometimes they use a blood test to test for pregnancy, but that’s usually only under special circumstances.

But be careful when looking for a reliable health center, because there are fake clinics out there called Crisis Pregnancy Centers. Crisis Pregnancy Centers give free pregnancy tests and claim to offer information and help. But they’re run by people who may not be medical professionals, and don’t believe in giving you honest facts about pregnancy and all of your options. Crisis pregnancy centers are often located very close to Planned Parenthood health centers or other real medical centers, and have similar names — they do this to confuse people and trick them into visiting their center instead.

Your nearest Planned Parenthood health center can help you find a safe place to get a pregnancy test in your area.

What should I do if my pregnancy test is positive?

If you take a pregnancy test after you miss your period and the result is positive, that means you’re pregnant. You can always take another test to be sure, if you want.

You may want to go to a nurse or doctor, family planning clinic, or local Planned Parenthood Health Center to get a follow-up test. They’ll talk with you about your pregnancy options, and help get you the care you need. Be careful not to visit a Crisis Pregnancy Center, because they might not give you real medical care or truthful information about your pregnancy and all of your options

When To Take A Pregnancy Test Calculator Based On Ovulation

This calculator will help you determine the date of your missed period based on ovulation and fertilization. Then, based on typical pregnancy test detection times, this tool can help you predict when a positive result might be expected.

Pregnancy tests are traditionally taken at the time of a woman’s expected period. However, it is common to see positive results earlier and more often. This calculator will help you determine the day at which you may see a positive result based on your unique ovulation/fertilization date and cycle length.

When you are trying to get pregnant, it’s tempting to test early and often. But interpreting the results of a pregnancy test can be complicated — especially if you are testing long before your missed period. Even a simple home pregnancy test may not be able to detect pregnancy during the first week or so after conception. That’s because hCG levels just aren’t high enough at that point to set off your test.

Online Pregnancy Test Calculator

Find your most important dates. Choose the pregnancy calculator that’s right for you, and we’ll help you track your monthly cycles so you can predict when you might be able to conceive. Join thousands of women in discovering their ovulation day by using the ovulation calculator or the ovulation calendar, then find out how many weeks pregnant you could be by filling out our quick due date calculator.

You’re having a baby! Congratulations! The first step in planning your pregnancy is to determine when you’re most likely to conceive. Use this calculator to find the expected due date and other important dates surrounding your pregnancy.

Pregnancy Calculator is a simple, easy-to-use online tool that can help you plan your pregnancy. It provides a full range of choices to help you determine any key dates in your journey, from ovulation and conception to due date and time.

Find your most important dates. Choose the pregnancy calculator that’s right for you.

Ovulation Calculator

Ovulation Calculator

Increase your chance of conceiving by determining your most important, fertile days with our conception calculator.


How Soon Can I Take A Pregnancy Test?

How Soon Can I Take A Pregnancy Test?

Find out the earliest day you can take a pregnancy test. The sooner you know, the better.


How Far Along Am I?

How Far Along Am I?

Find out how many weeks pregnant you are so you can start planning key milestones.


Due Date Calculator

Due Date Calculator

Learn when you can expect your little one to arrive.

Am I Pregnant Calculator Percentage

There is a fast and easy way to find out if you are pregnant or not, without having to buy any expensive pregnancy tests. Simply calculate your conception date with this simple calculator. All you need to know is when your last period began, and approximately how long your cycle usually runs for (the average period length is 28 days).

You can use the conception calculator to see if you may be pregnant or not. By entering in the information, you will be able to find out on what day your last period began and also give an estimate of whether or not you are pregnant.

Getting pregnant takes a lot of effort and patience so it’s important to start at the right time. Understanding when your best chance of conception is allows you to plan accordingly. Most women will be able to conceive between the 5th and 19th day after their period has since. However, some may take up to two weeks longer or shorter than this due to their personal cycle length. This calculator helps estimate these dates, by comparing your average cycle length against your period dates.

This Pregnancy Test calculator helps you estimate the best date when to take a pregnancy test, so that it is as accurate as possible.

Even though fertility and pregnancy are very complex subjects, dependent on many variables, it is possible to calculate how early you can take a pregnancy test to expect an accurate result.

It doesn’t matter if you don’t know the day you conceived – if you are wondering when is the best time to take a pregnancy test, try our easy-to-use calculator!

Irregular Period Pregnancy Test Calculator

Use this handy pregnancy calculator to find out exactly when you have conceived. Use the irregular period cycle chart to determine when you ovulated and then count back 36 days from there. If you have a regular menstrual cycle, count back 4 weeks from the day of sex or from when your last period started.

Use this pregnancy calculator to find out how many weeks pregnant you are. Use the calendar in conjunction with a home pregnancy test or your doctor’s visit, to track your pregnancy progress. We all know how difficult it can be to count days and weeks of pregnancy, especially if you started late or had irregular periods. By entering the date on which you think that you got pregnant and calculating the number of days between now and then, we can give you an idea of how far along in your pregnancy you might be.

The pregnancy calculator can be used to calculate a fertile window using your menstrual cycle and your most likely date of ovulation. The calendar can also be used to predict when you should expect your period each month if you do not want to get pregnant. The irregular periods pregnancy test calculator is the perfect tool for women who have irregular periods.

Most pregnancy tests claim to be the most accurate after a missed period. But irregular periods can make it hard to predict when to take the test.

Periods are considered irregular if:

  • The number of days between periods is either shorter than 21 days or longer than 35 days
  • The number of days in the menstrual cycle varies from month to month. For example, your cycle may be 22 days one month and 33 days the next month.

If you have irregular periods, try counting 36 days from the start of your last menstrual cycle or four weeks from the time you had sex. At this point, if you are pregnant, your levels of hCG should be high enough to detect the pregnancy.

If your test says you are not pregnant, but you still think you may be pregnant, wait a few more days and take another pregnancy test. Or, call your doctor for a blood test.

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