Would Sperm Affect a Pregnancy Test?

Why the test found hCG
There's even some medical literature that suggests women could end up with a false positive if they test immediately after having sex, says Kirkham, because there may be a trace amount of hCG in semen.

What can throw off a pregnancy test?

Read on to learn more about false positives on home pregnancy tests.
  • Chemical pregnancy. It's possible to have a positive pregnancy test even if you aren't technically pregnant. ...
  • Ectopic pregnancy. ...
  • Recent miscarriage or abortion. ...
  • User error. ...
  • Evaporation lines. ...
  • Medications. ...
  • Certain medical conditions.

What should you not do before pregnancy test?

Don't drink too much water, or any liquid, before taking a pregnancy test. Excess fluids can impact the accuracy of the test results, so if your urine is diluted or pale yellow, hold off on taking a test. Diluted urine tends to also have diluted hCG levels which can skew the test results.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.