A 28-year-old female asked:
can i trust a negative hpt with first morning urine 20 days after sex?
1 doctor answer
Dr. Peter Baumann answered
Specializes in Obstetrics and Gynecology
One week: It takes approx a week for a urine home pregnancy test to turn positive. Since sperm can survive up to five days, i.e., conception could occur up to 5 days after intercourse, you need to add that safety margin. This brings you to about 12 days. 20 days after intercourse the preg test should be positive if the woman conceived.
Answered on Feb 1, 2015
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
People also searched for:
Connect by text or video with a U.S. board-certified doctor now — wait time is less than 1 minute!