A member asked:

How accurate is a blood pregnancy test after 3 weeks of missed period?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

It would be: Close to 100%. Pregnancy tests are very accurate but there can be reasons for false + tests such as: HCG injections, IgA deficiencies, choriocarcinomas, gestational trophoblatic disease or neoplasms ; heterophile antibodies.

Answered 1/12/2015

4.8k views

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