From nuchal translucency to intracranial translucency: towards the early detection of spina bifida.
Maxillary gap at 11-13 weeks' gestation: marker of cleft lip and palate.
Prospective detection of open spina bifida at 11-13 weeks by assessing intracranial translucency and posterior brain.
Appearance of the fetal posterior fossa at 11 + 3 to 13 + 6 gestational weeks on transabdominal ultrasound examination.
Frontomaxillary and mandibulomaxillary facial angles at 11 + 0 to 13 + 6 weeks in fetuses with trisomy 18.
Fetal spinal anomalies in a first-trimester sonographic screening program for aneuploidy.