Depends on the test: One has to read the instructions and do the test correctly. Each brand of test has slightly different instructions. Most often, a first line means the test is working properly, and a second line means there is HCG from a pregnancy.
Answered 6/10/2014
5.5k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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