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Pregnancy
Pregnancy Test — How Soon After Sex?
Originally Published: April 18, 1997
 
Dear Alice,

How soon after intercourse can one use a pregnancy test and get results?

 

Dear Reader,

Pregnancy tests are sensitive enough that they can detect a pregnancy as early as one week after fertilization. It is not necessary to wait until a period is late or has been missed before testing for pregnancy. When used correctly, home pregnancy tests work well. They also provide privacy and convenience. Home pregnancy tests sometimes give erroneous results (usually false negatives); the most common reason for this is using the test too soon. If you think you may be pregnant, Alice suggests waiting seven to ten days after intercourse to test, following the test's directions carefully. If a home pregnancy test gives a positive result, make an appointment with your doctor, nurse practitioner, or local women's clinic for a confirmation. If you prefer, you can make an appointment for a pregnancy test directly instead of testing at home first. In either case, it can only be to your benefit to find out as early as possible if you're pregnant.

Alice

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