SON1121L - Obstetrics and Gynecology Sonography I Lab SON1121L - Obstetrics and Gynecology Sonography I Lab Students will practice scanning techniques, protocols, image optimization, patient positioning, technical impression worksheets, terminology, and complete laboratory proficiencies for transabdominal, transvaginal normal pelvic and first trimester obstetric ultrasound exams. Terms Classification: Occupational