Source:http://linkedlifedata.com/resource/umls/id/C0006157
MSH: A malpresentation of the FETUS at near term or during OBSTETRIC LABOR with the fetal cephalic pole in the fundus of the UTERUS. There are three types of breech: the complete breech with flexed hips and knees; the incomplete breech with one or both hips partially or fully extended; the frank breech with flexed hips and extended knees.,NCI: A type of fetal presentation when the baby descends into the birth canal with hips, buttocks or its foot first during delivery.