Placental localization without ionizing radiation.
D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart; D006801:Humans; D008991:Monitoring, Physiologic; D010920:Placenta; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011272:Pregnancy, Multiple; D014463:Ultrasonography