Shamoona Rashid, Uzma Mumtaz, Ayesha Naeem, Sadia Hanif, Amna Khalid, Madiha Bangash 2022. Ultra Sonographic Measurement of Placental Thickness during Pregnancy as a Parameter for Estimating Gestational Age of the Fetus. Pakistan Journal of Medical & Health Sciences. 16, 10 (Dec. 2022), 813. DOI:https://doi.org/10.53350/pjmhs221610813.