title: Signs of fetal death in early pregnancy.
abstract: The principal ultrasonic signs of death of the fetus in the first 12 weeks of pregnancy are reviewed and illustrated. Several new signs, one probably due to CO2 in the conceptus, are recorded. The use of two-dimensional B scanning and multiplanar stereoscopic sonar is made.
mesh_terms: D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014463:Ultrasonography