Pediatrics A newborn has fused eyes and single nasal chamber & undeveloped callosum. What is the most probable diagnosis? A Holoprosencephaly B Schizencephaly C Plagiocephaly D Brachycephaly 💡 Explanation A newborn has fused eyes and single nasal chamber & undeveloped callosum. What is the most probable diagnosis? ✓ Correct Answer: A. Holoprosencephaly