Asghar S, Shaukat M, Javed Q. Hyperemesis Gravidarum in the Second Trimester as a Risk Indicator for Preterm Birth: Hyperemesis Gravidarum in the Second Trimester and Preterm Birth. PJHS-Lahore [Internet]. 2025 Oct. 31 [cited 2026 Mar. 11];6(10):36-41. Available from: http://thejas.com.pk/index.php/pjhs/article/view/3328