
Twin-to-twin transfusion

Poli-Oli sequence (stuck twin)

Fetus papyraceous

Monochorionic/diamniotic twin gestation

Conjoined twins connected at the thorax

Monochorionic, monoamniotic twin gestation

Dichorionic/diamniotic twin gestation

Spaulding’s sign

Spaulding’s sign

Measurement of incompetent cervix

Anterior uterine fibroid

Placenta previa

Scalp edema

pleural fluid

ascites

Nuchal translucency

Transcervical chorionic villus sampling

Genetic amniocentesis

Thickened nuchal fold

Hypoplasia of the middle fifth phalanx

“Double bubble” sign as seen with duodenal atresia

Intracardiac focus

omphalocele

Choroid plexus cysts