Bakhtawar , K. , John, A. , Ali , A. and Mubbarka , M. 2022. Ultrasound Diagnosis and Risk Factors of 1st Trimester Complications in Pregnancy: Ultrasound Diagnosis and Risk Factors of 1st Trimester. Pakistan BioMedical Journal. 5, 4 (Apr. 2022), 41–45. DOI:https://doi.org/10.54393/pbmj.v5i4.293.