Begum, A. M. A., K. T. Kobra, and R. Begum. “Comparative Study of Outcome of Postdated Pregnancy of Primaegravida and Multigravida Patients”. Journal of Dhaka National Medical College &Amp; Hospital, vol. 20, no. 2, Sept. 2014, pp. 16-20, doi:10.3329/jdnmch.v20i2.77799.