[ap3]

Agreed. In a communist society you would look out for the greater comunal interest. For example, family would be expected to let their marry to have more children, without expecting anything directly in return, but for the greater good of the people.

[unmole]

We also have a real word example. The Soviet Union awarded medals to women who bore and raised large families: https://en.m.wikipedia.org/wiki/Mother_Heroine