Munaza Shahid; M Zain Ul Abidin; Mahrukh Afzal; Sawera Akhtar; Mahnoor Riaz; Nazish Bibi; Ume Tayyba; Khadija Shabir. Sonographic Assessment of Various Causes of Pelvic Pain in The First Trimester of Pregnancy Across Different Age Groups. JPEHSS 2025, 3, 393-398.