Alexandra Sowa, M.D., a doctor of internal medicine and a mom, answers one of her most frequently asked questions: How accurate are pregnancy tests? She also shares when to take them to increase your chances of getting an accurate result.
- Accuracy can vary based on brand of test.
- Tests are most accurate one week after a missed period.
- False negative results are much more common than false positives.
- Taking the test too early can result in false negative results.
- The first urine of the morning can have higher concentrations of beta hCG.
- Weak positive results are positive.
- Retake the test a day or two after a positive result for confirmation.
- Schedule a doctor's appointment 4-5 weeks later.
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