Can you take a pregnancy test 13 days after sex and have positive result if i am pregnant?

Yes, it is possible to get a positive pregnancy test result 13 days after sex if you are pregnant.

Pregnancy tests work by detecting the presence of human chorionic gonadotropin (hCG) in the urine or blood. hCG is a hormone that is produced by the developing placenta shortly after implantation of a fertilized egg into the wall of the uterus.

The amount of hCG in the body doubles about every 2-3 days during early pregnancy. This means that even if you were to take a pregnancy test 13 days after sex, it is possible that the levels of hCG in your urine or blood may be high enough to be detected by a pregnancy test.

However, it is important to note that not all pregnancy tests are equally sensitive. Some tests may be able to detect lower levels of hCG than others. If you are taking a pregnancy test 13 days after sex and you get a negative result, it is possible that the test may have been too early to detect the presence of hCG.

If you are still concerned about whether or not you may be pregnant, it is best to see a doctor for a blood test. A blood test can detect hCG levels even earlier than a urine pregnancy test.