Q. A 32 year-old pregnant patient presents for her routine pregnancy care. She is has had a healthy pregnancy thus far. Her two prior pregnancies were uneventful and she has been unconcerned about this present one. The patient's physical exam is as follows: Temperature is 36.7 (98.7 F), Blood Pressure is 110/70, Heart Rate is 72 beats/minute. Neurological examination is unremarkable. Cardiopulmonary auscultation is normal. You examine her abdomen and are concerned about the fetus, itself. Fetal ultrasonography is performed and identifies a non-survivable neurological disorder. Which of the following conditions is non-survivable?