In addition to performing all the Level I & II with no support from preceptor or colleague: • Assisting with fetal reduction • Evaluation of maternal uterus and adnexa including fibroids and cysts • Evaluation of fetal viability and early pregnancy location (angular, interstitial, cornual, cesarean scar pregnancy) • Evaluation of fetal number and chorionicity/amnionicity • Transvaginal cervical length evaluation • Evaluation of amniotic fluid volume with subjective assessment, MVP, and AFI • Evaluation of placental location and appearance, including for placenta previa and for accreta spectrum disorder • First-trimester detailed anatomic survey, including twins and triplets • Measurement of nuchal translucency • Second/third trimester detailed anatomic survey, including twins and triplets • Evaluation of fetal growth • Monitoring of monochorionic-diamniotic twin pregnancies for TTTS and TAPS • Guidance for amniocentesis procedure, including twins and triplets • Performance of biophysical profile • Measurement of PR interval • Measurement of umbilical artery Dopplers • Measurement of MCA Dopplers • Evaluation of ductus venosus Dopplers • Understanding and proper application of ALARA, Doppler principles, and image optimization techniques. Total compensation considers multiple factors, including, but not limited to a candidate's experience, education, skills, licensure, certifications, departmental equity, training, and organizational needs.