Pediatrics The following signs would warrant fuher evaluation of developmental status in a healthy 12 weeks old infant: A Dose not vocalize B Dose not babble C Dose not raise head up to 90deg D Dose not transfer a bright red ring from one hand to the other, even when the ring is directly placed in the hand of child 💡 Explanation The following signs would warrant fuher evaluation of developmental status in a healthy 12 weeks old infant: ✓ Correct Answer: A. Dose not vocalize