Early second-trimester diagnosis of sirenomelia.
Two cases of sirenomelia are described, detected in the 14th and 16th weeks of gestation by transvaginal ultrasonography. A hypothesis for the aetiology of sirenomelia and its associated anomalies is discussed.
van Zalen-Sprock
M M
MM
Department of Obstetrics and Gynecology, Free University Hospital, Amsterdam, The Netherlands.
van Vugt
J M
JM
van der Harten
J J
JJ
van Geijn
H P
HP
D000328:Adult; D004480:Ectromelia / Q000000981:diagnostic imaging*; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal