Can a pregnancy test show positive if only one week pregnant?

Pregnancy tests can sometimes detect pregnancy 10 to 14 days after conception, which is about a week after a missed period. However, it is important to note that the accuracy of pregnancy tests varies depending on the brand and sensitivity of the test, as well as the individual's specific situation.

The reason why a pregnancy test can show a positive result so early is because it detects the presence of a hormone called human chorionic gonadotropin (hCG). This hormone is produced by the developing placenta shortly after conception and its levels rise rapidly in the early stages of pregnancy.

However, it's worth mentioning that obtaining a positive pregnancy test result one week after conception is not guaranteed and can vary from person to person. Some factors that can affect the timing of the positive result include implantation date, the sensitivity of the pregnancy test, and individual hormone levels.

To confirm pregnancy, it is recommended to wait until at least a few days after the missed period, use a high-sensitivity pregnancy test, and follow the instructions provided with the test carefully. If the result is positive, it's advisable to consult a healthcare provider for further evaluation and prenatal care.