Today’s pregnancy tests work by screening your urine or blood for hormone called human chorionic gonadotropin (hCG). This hormone is produced right after a fertilized egg attaches to the wall of the uterus, and then it takes about 48 to 96 hours for levels to be detectible in your urine. However, … [Read more…]
Can a Pregnancy Test Show a False Positive?
Yes, if you were pregnant but had a miscarriage, or if you’re taking a supplement or fertility drug that contains hCG, human chorionic gonadotropin, the pregnancy hormones that tests detect for. Tests are also commonly misread. If you get a positive but also get your period, or you get a negative … [Read more…]
Two Different Pregnancy Test Results, Which do I Believe?
Last week I did a home pregnancy test when my period was one day overdue and it showed POSITIVE. A week later, I went to my physician and he did a blood test and his results were NEGATIVE. I was surprised, so the next day I did another home preg test (this time, period overdue by 8 days) and … [Read more…]