Abstract Objective: To determine the difference of glutathione peroxidase (GPx) in threatened miscarriages and normal pregnancy.Method: This is an analytic cross sectional study with 42 samples divided into two groups. Group 1 consists of 21 cases of threatened miscarriages with < 20 gestational age and group 2 is divided into 21 normal pregnancies of < 20 weeks gestational age. We took 3 cc of…