Departamento de Obstetricia y Ginecología, Facultad de Medicina, Universidad de Concepción.Servicio de Obstetricia y Ginecología, Hospital Guillermo Grant Benavente, Concepción, Chile.

Case report

This is a video clip of the first ultrasound examination of a 42-year-old G₃P₂ at 16 weeks.
A large cystic hygroma is seen. Also note the placenta's size and appearance with multiple vesicles.

A video clip at 24-week examination shows again the placental appearance, alobar holoprosencephaly and a hydronephrotic horseshoe kidney.
Fetal Biometry showed 5-week discordance with gestational age calculated by LMP.

The following images were obtained in that same examination:

Oligohydramnios

Microphthalmia.

Tricuspid valve severe regurgitation. There is also a video-clip which shows this anomaly. Another video-clip shows a very abnormal 4 chamber view with a severe dilation of the right atrium.

Mild ascites.

Bilateral hydronephrosis.

An amniocentesis was performed and fetal karyotype was 69, XXY