Zahoor, Sana, Masroor Ellahi Babar, Muhammad Mohsin Javed, and Tanveer Hussain. “Constipation in Pregnancy: Causes and Remedies”. Progress in Nutrition 20, no. 1-S (August 6, 2018): 305–311. Accessed April 16, 2025. https://mattioli1885journals.com/index.php/progressinnutrition/article/view/5788.