I am older than most of you. My Father was an Engineer with the COE and would tell me that his female co-workers here head and shoulders better than the men. But, mind you this is in the days when Engineers sat on tall stools at drafting tables, the guys would try to look up their skirts. Although I was in what is now called advanced placement math and science programs in high school, there was no way I was going to subject myself to that nonsense.
Today employers risk lawsuits big time tolerating that behavior. Women do think in broad terms about their quality of life. The fact that mother has a profession does not change the fact that family comes first. In every society mothers risk their lives for their children, foregoing management positions is a minor sacrafice.