After sex, if an egg has been fertilized it will travel into the uterus and implant itself in the wall. Once implanted in the uterine wall, the pregnancy hormone will begin to appear in your urine. If you think you might be pregnant, you'll want to know for sure as soon as possible. But it's important not to rush out and take a test immediately as it probably won't give you the right answer. This hormone is what the pregnancy test is looking out for - and it doesn't just appear overnight after having sex, it takes up to six days after fertilization for it to appear. You can take most pregnancy tests on the first day of your missed period. Some very sensitive tests can be taken before your missed period - as early as eight days after conception.
Pregnancy tests: How soon can you take one and get an accurate result?
How Soon Can I Take a Pregnancy Test? | WeHaveKids
If you are trying to conceive, pregnancy test immediately after an unprotected sexual intercourse will get you disappointed. Some pregnancy kit can detect pregnancy as early as five days before your period. Though this is not percent accurate , it may ease anxiety in women who are trying to conceive. On the other hand, a negative pregnancy test after sex is likely not accurate. There are different ways to test for pregnancy.
How Soon After Sex Can You Tell If You’re Pregnant?
But for the most accurate results, you want to wait at least 12 days after intercourse, or three weeks if you have an irregular period. Pregnancy tests work by detecting the hormone human chorionic gonadotropin hCG , which the body only begins producing after implantation when a fertilized egg attaches itself to the lining of uterus. But keep in mind, that still is on the early side. Even though some early pregnancy tests claim to be able to detect hCG over a week before menstruation is supposed to begin, you should proceed with caution when testing before your period is due. Waiting an additional week after a missed period to test will substantially reduce the chance of a false negative.
After all, it takes just one sperm to fertilize the egg. The hormone is only released if a fertilized egg attaches outside the uterus or to your uterine lining. There are different ways to collect your urine for the test. Depending on the test you choose, you may have to:.