Mit jelent az, hogy "rearing diminishes"? Szövegkörnyezet mellékelve

Szövegkörnyezet:

Family pattern and family life have changed notably over a short period of time. The Bridget Jones phenomenon is utterly relevant; people are less likely to enter a marriage, or have children at all. Cohabitaton and single-parent households seem commonplace, and so childbearing and REARING DIMINISHES, too.