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