Mehreen Yousaf Rana, Haider Abbas, Uzma Parveen, Zahra Saifuddin, Zoya Ibad, Roha Sitwat 2023. Frequency of Covid-19 in Pregnant Women and its Effects on Fetal and Maternal Outcome. Pakistan Journal of Medical & Health Sciences. 16, 11 (Jan. 2023), 393. DOI:https://doi.org/10.53350/pjmhs20221611393.