Abnormal fetal central nervous system morphology +
Abnormal fetal gastrointestinal system morphology +
Abnormal fetal genitourinary system morphology +
Abnormal fetal pulmonary morphology +
Abnormal fetal skeletal morphology +
Abnormal fetal skin morphology +
Fetal head anomaly +
Fetal neck anomaly +
Fetal ultrasound soft marker +
An finding upon obstetric ultrasound examination performed at around 16 to 20 weeks of gestation that is abnormal but not clearly identifiable as a fetal anatomic malformation or growth restriction. Such findings are known as soft markers since they are associated with increased risk for fetal aneuploidy or other disorders.