Alsammani, M. A., Alsheeha, M. A., Ahmed, S. R., & Abdalla, A. M. (2012). The effect of advanced maternal age on pregnancy outcome in women with cervical insufficiency treated with cerclage: The effect of advanced maternal age on pregnancy outcome. National Journal of Integrated Research in Medicine, 3(3), 63–67. https://doi.org/10.70284/njirm.v3i3.2040