The pregnancy test should not be done before the delay of menstruation, nor before 15 days have passed since sexual intercourse, in order for the result to be reliable.
If the pregnancy test is performed too early, the levels of hCG hormone (the pregnancy hormone) may still be so low that the test cannot detect them. This would produce a false negative result, as the woman would be pregnant, but the test would not be able to detect it.
Read the full article on: When should you take a pregnancy test for it to be reliable? ( 55).
By Andrea Rodrigo B.Sc., M.Sc. (embryologist), José Antonio Duque Gallo M.D. Ph.D. (gynecologist), Mónica Aura Masip M.D., M.Sc. (gynecologist), Sergio Rogel Cayetano M.D. (gynecologist), Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 03/25/2022