A 17-year-old female asked:
took a pregnancy test at night, negative, having cramps next day and supposed to have period anyday now, was the test invalid since it was at night?
1 doctor answer

Dr. Anthony Propst answered
29 years experience Fertility Medicine
Home pregnancy test: The home pregnancy tests work as well at night as during the day. I encourage you to see a health care provider about starting contraception.
Answered on Mar 24, 2014
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