Requires full range of body motion including handling and lifting patients, manual and finger dexterity and eye-hand coordination; requires standing and walking for extensive periods of time; occasionally lifts and carries times weighing up to 50 pounds; requires corrected vision and hearing to normal range; requires working under stressful conditions or working irregular hours. Perform obstetric ultrasounds (first trimester, detailed level II anatomy, nuchal trasnluceny, second/third trimester growth/follow-up, biophysical profile, fetal Doppler, and amniotic fluid assessment).