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Is early childhood development impeded by the birth timing of the younger sibling?

This study investigated whether the timing of birth of the younger siblings was associated with the risk of the older siblings’ developmental vulnerability in early childhood.

Citation:
Dhamrait G, O’Donnell M, Christian H, Pereira G. Is early childhood development impeded by the birth timing of the younger sibling? PLoS ONE. 2022;17(5); e0268325.

Keywords:
child development; cohort analysis; communication skill; family planning; health; infant; maturity; sibling; Western Australia; pregnancy; preschool child; birth Intervals

Abstract:
This study investigated whether the timing of birth of the younger siblings was associated with the risk of the older siblings’ developmental vulnerability in early childhood.