Curvature of the fetal femur: a normal sonographic finding.
Perception of the fetal femur in the far field as curved is common in sonographic studies. The mild concavity of the medial aspect of the femoral diaphysis accounts for this apparent curvature, which should not be mistaken for fetal abnormality.
D003937:Diagnosis, Differential; D005260:Female; D005269:Femur / Q000002:abnormalities / Q000033:anatomy & histology*; D006801:Humans; D010012:Osteogenesis; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography