A 22-year-old female asked:
my period is 13 days late but negative pregnancy test.. could i still be pregnant? what does it mean?
1 doctor answer

Dr. Dan Fisher answered
27 years experience Internal Medicine
Means use protection: Negative pregnancy test 13 days after missed period is pretty reliable. At your age periods are not reliable for a variety of reasons. If you aren't trying to get pregnant use some form of contraception.
Answered on Apr 1, 2013
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