Yes, it may be. It depends on the sensitivity of the pregnancy test, though. If it is able to detect low levels of pregnancy hormones, you can get a positive result as early as 4-5 days before your period is due.
Read the full article on: When should you take a pregnancy test for it to be reliable? ( 55).
Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
