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What does the accuracy of pregnancy tests depend on?

ANSWER

The accuracy of a home pregnancy test depends upon:

  • How closely you follow instructions.
  • When you ovulate in your cycle and how soon implantation occurs.
  • How soon after pregnancy you take the test.
  • The sensitivity of the pregnancy test.

From: Pregnancy Tests WebMD Medical Reference

SOURCES:

American Pregnancy Association: "Understanding Pregnancy Tests: Urine & Blood." 

American Pregnancy Association: "Taking a Pregnancy Test." 

American Pregnancy Association: "Pregnancy FAQ: Early Pregnancy."

Department of Health and Human Services: "Pregnancy Tests: FAQs."

Lab Tests Online: "hCG."

Reviewed by Traci C. Johnson on February 11, 2019

SOURCES:

American Pregnancy Association: "Understanding Pregnancy Tests: Urine & Blood." 

American Pregnancy Association: "Taking a Pregnancy Test." 

American Pregnancy Association: "Pregnancy FAQ: Early Pregnancy."

Department of Health and Human Services: "Pregnancy Tests: FAQs."

Lab Tests Online: "hCG."

Reviewed by Traci C. Johnson on February 11, 2019

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What are safe over-the-counter allergy medications to take during pregnancy?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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