Ahmed, Khalid, Shireen Ahmed, Siddig Handady, Awad Alawad, and Sulafa Ali. “Advanced Maternal Age and Late Pregnancy Outcome at Omdurman New Hospital in Sudan”. International Journal of Medicine 3, no. 2 (October 23, 2015): 115–117. Accessed April 17, 2025. https://sciencepubco.com/index.php/IJM/article/view/5357.