Earlier quoted context omitted.
Some of it may be traceable to the enormous number of Soviet men who died in WWII, prompting intense state support for single mothers and allowing the remaining men to avoid responsibility and be spoiled, essentially. This is mentioned briefly in this article if you're interested - http://www.theatlantic.com/magazine/archive/2011/11/all-the-...
Maybe, or maybe it was the basic understand that the communist dream can only come true if everyone, men and women, equally work towards it. In my parents' generation (I'm born in the GDR) there was no debate about feminism. Women were expected to work, childcare was available, it was free and it catered to people who had to work 40h/week. Sometimes I was in kindergarten from 8am to 8pm. I still remember how I did no…
So a lot of the gender roles of the West were basically obliterated, i.e. there was no real stay-at-home mother in the GDR, all mothers were working mothers. Seems to fit your experience, and the GP as well.