Causes of asymmetrical Moro's reflex?
Fracture of clavicles
Fracture of humerus
Erb's palsy
All of the above
The Moro reflex is an infantile reflex that develops between 28–32 weeks of gestation and disappears between 2-3 months of age. It is a response to a sudden loss of support and involves three distinct components: spreading out the arms (abduction) pulling the arms in (adduction) and startled look.
*Asymmetrical moro's reflex: still present at 6 months
 Causes: 

Fracture of clavicles
Fracture of humerus
Erb's palsy