How Soon After Ovulation Can You Take a Pregnancy Test?

by | Aug 10, 2019


If you are trying to conceive, the two-week wait to take a pregnancy test may seem forever. You may have scanned through the drugstore shelf, to find which home pregnancy test promises accurate and early test results. It is hard to resist the attempt to test early. You may wonder: do I really have to wait until the first day of the expected period to test?


How early can you take a pregnancy test?

Ideally, wait until the first day of your expected period. And it is recommended to take a pregnancy test no earlier than 12 days past ovulation (DPO). If you test several days before your period, you are likely to get a negative result, although you can be pregnant.

The time to take an early pregnancy test is linked to when ovulation occurs and when implantation occurs

While it is often believed ovulation occurs 14 days before the onset of your next period, the actual ovulation day varies from woman to woman and cycle to cycle. This is why it is important to track your ovulation using a product like Mira when you are trying to conceive.

Implantation takes place after an egg is released into the fallopian tube, fertilized by sperm, and implanted itself to the uterine wall, where prenatal development starts. Technically, implantation is supposed to happen at 9 days after ovulation. But the actual range is 6 – 12 DPO, and 84% occurs between 8 – 10 DPO. 

The fertilized egg doesn’t produce the pregnancy hormone human chorionic gonadotropin or hCG until it is fully implanted in the uterine wall. 

Once the implantation is complete, levels of hCG start to double about every 48 hours. However, the hCG baselines and hCG doubling pattern differ greatly from woman to woman. Pregnancies of the same woman can have different hCG levels too. Together with the timing of ovulation and implantation, these factors affect when you should take a pregnancy test and expect to get a positive result.

Doctors often order a blood test to understand the hCG levels. You can buy a home urine test to measure hCG levels in urine.

If you take a pregnancy test too early, you may end up with a false-negative result, which means, in fact, you are pregnancy, but the test returned a negative result. 

It is simply because your hCG hormone hasn’t reached the threshold of the pregnancy test yet. Wait until the day of your missed period, or 1-2 days later, as your period could be late. This will prevent a false-negative test result and save you money.

A healthy couple has about 20% of chance to get pregnant each month. 80% should get pregnant after continuously trying of a year.


How may I improve the accuracy of a home pregnancy test?

The accuracy of a home pregnancy test can vary, depending on how you use it and your menstrual cycle. To improve the test accuracy, you will want to pay attention to the following problems.

Testing too early. You shouldn’t test earlier than 12 DPO. It is best to wait until your period is due.

Urine is diluted. You are not using morning urine or drank too much fluid before the test. The hCG concentration in your urine is diluted.

Not enough waiting time. The US Office of Women’s Health recommends waiting up to 10 minutes after the test to check the results. This time frame will give you the most accurate result.

The test is not sensitive enough. Some pregnancy tests are more sensitive than others. If you want to detect pregnancy early, ask the pharmacist for a more sensitive brand.


Should you take a pregnancy test in the morning or night?

If you are testing before your period is due, you should test with morning urine, which has a higher concentration of hCG. You can test any time during the day if you have passed the day of your missed period. Your hCG level should be high enough to be detected if you are pregnant.


Why does a chemical pregnancy cause a positive test result?

It can be heartbroken to learn a positive pregnancy test was from a chemical pregnancy, which is an early pregnancy loss happening shortly after implantation.

One week after the ovulation, the fertilized egg implants itself onto the uterine wall. It starts to produce levels of pregnancy hormone hCG. However, for some reason, the implantation never fully developed. Usually you don’t have any other signs of pregnancy.

A chemical pregnancy is mostly caused by chromosomal abnormalities. They account for 50-60% of the first pregnancies. You may have a positive pregnancy test result, which technically is not a false positive result given you were pregnant, followed by a negative one.

You can avoid the positive test result from a chemical pregnancy by testing later than the first day of your missed period.

Order Your Mira Today

Ready to easily, precisely, and automatically track your ovulation cycles? Let Mira take the guesswork out of getting pregnant, so you know exactly when to conceive.

Reserve Your Mira Today

Ready to easily, precisely, and automatically track your ovulation cycles? Let Mira take the guesswork out of getting pregnant, so you know exactly when to conceive.


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