Over the years, we have moved from the masculine God and are returning to the Mother. This is the belief of Andrew Harvey, author of The Return of The Mother, who talks about the loving nature of God that is more motherly than fatherly.
The question is, where does the mother come into play with the Trinity of the Father, the Son and the Holy Ghost? He says that the real Trinity is God the Father, God the Mother, and God the Child. This brings out a more encompassing nature of the loving side of God. He talks about how the Divine Mother is in the heart and how everything is brimming with love and nurture.