What did mary cassatt express in her painting mother and child?

She documented and preserved her view of the world.
In the painting mother and child, Marry cassat paint several relationships of mother with her infant eversince the infant still in breastfeeding period up to the point where the infant grow up into pre-adolescent child.
The painting conveys the love of the mother toward the children from small interaction such as hugging the child, kissing the child, etc.

Too plenty can't figure it out