maternal quality(n = noun.attribute) maternalism, maternity, motherliness - the quality of having or showing the tenderness and warmth and affection of or befitting a mother; "the girl's motherliness made her invaluable in caring for the children"
is a kind of parental quality

decline in quality, high quality, low quality, maternal, maternal language, parental quality, paternal quality, quality, quality control, quality of life