Sabha M, Bashir K. Fertility, conception and complications in elderly primigravidas a comparative study: observational study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2023 Jun. 28 [cited 2025 Nov. 2];12(7):2119-22. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/13291