Pregnancy Test Strip(Get Sure) HCG Urine Pregnancy Test is a convenient way to determine if you are pregnant or not. The Pregnancy test strip works by detecting the presence of a hormone called human chorionic gonadotropin (hCG) in your urine. To use the strip, simply urinate on it or dip it in a cup of your urine, and wait for the results. A positive result will indicate pregnancy, while a negative result means you are not pregnant.