Very low: A false negative 30 days after intercourse would be very very low. If you're worried, though, the tests typically come 2 to a pack, buy another pack of a different brand. You wouldn't get 2 false negatives from different manufacturers, that would not likely happen. Good luck!
Answered 11/7/2014
3.8k views
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question