From: A systematic review of the childbearing needs of single-child couples
Concept1 | Â | Concept2 | Â | Concept3 |
---|---|---|---|---|
one child family OR | AND | childbearing intention OR | AND | Needs assessment OR |
single child family OR | Â | reproductive behavior motivation OR | Â | requirement OR |
only child family | Â | childbearing preferences | Â | demand OR |
 |  |  |  | want OR |
 |  |  |  | requisite |