प्रेगनेंसी टेस्ट किट उपयोग करने का सही तरीका और सही टाइम pregnancy test kit ka use kaise kare how to do a home pregnancy test in Hindi |by Dr. Rajesh Prajapati The home pregnancy best work by detecting a hormone called human chorionic gonadotropin (HCG) in your urine . this hormone appears in a pregnant woman urine approximately 20 days after her last menstrual period the label then rise rapidly #prega-news. #use-pregnancytest-kit