title: [Echographic study in early pregnancy. II. Amnion cavity parameter].
abstract: Ultrasonic B-scanning was used to study 201 patients in early pregnancy. We divided the material in two groups with clinical signs of threatened and a third group of normal pregnancy. The growth of three mean diameters of gestational sac is analyzed. An assesment of gestational sac area and volume is included. The data are represented in terms of regression lines.
mesh_terms: D000033:Abortion, Threatened / Q000175:diagnosis*; D000650:Amnion / Q000502:physiology* / Q000503:physiopathology; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D012044:Regression Analysis; D014463:Ultrasonography
vernacular_title: Echographische Untersuchung in der Frühschwanterschaft. II. Amnionhöhlenparameter.