She examined the mothering role in agricultural then industrial times, the effects of WWII and then the peace economy to the 1990s and the beginning of Intensive Mothering (Helicoptering).
No matter which era, women always got the "short end of the stick". The struggle is on going.
Dr. O'Reilly has written several books which would be enlightening reading for those interested in this topic. "Rocking the Cradle", "Maternal Theory", "Maternal Thinking" "The 20th Century Motherhood Movement", "What Do Mothers Need?"and more.