[Diagnostic possibilities of ultrasound in complicated pregnancies].
D000033:Abortion, Threatened / Q000175:diagnosis; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014463:Ultrasonography
Diagnostické moznosti ultrazvuku u rizikových tĕhotenství.