When babies spread their arms while crying around strangers, it's usually due to a reflex called the "Moro reflex" or "startle reflex," which is a natural involuntary response to feeling startled or insecure, often triggered by unfamiliar faces or situations, causing them to extend their arms outward as a protective mechanism.
Fear of the unknown:As babies develop, they start to recognize familiar faces and may feel anxious or wary around strangers, which can further trigger the Moro reflex when encountering new people.
Physical response:When startled, the baby will throw their arms out to the side, sometimes accompanied by a cry.
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