Rathore, Neha, Reema Khajuria, and Rohini Jaggi. 2022. “β-HCG Levels in Second Trimester As a Predictor of Gestational Hypertension and Preeclampsia”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11 (2):433-38. https://doi.org/10.18203/2320-1770.ijrcog20220013.