The correct way to use the pregnancy test paper photo The pregnancy test paper photo is a tool to measure whether a woman is pregnant. It determines whether she is pregnant by detecting human chorionic gonadotropin (hCG) in the urine. When using this tool, you need to follow the correct method in order to get accurate results. 1. Purchase appropriate pregnancy test paper photos. Before using pregnancy test paper photos, you first need to purchase appropriate test paper photos. It is recommended to choose products from big brands with good reputation and reliable quality. When purchasing, please also check