I think memories of how you were mothered also come floodingback once you have given birth...so in my case, I spent 30 odd years thinking my family/mother was fine, then had my own 2 kids and I have struggled with awful flashbacks of my elder sister getting beaten daily by my mother - the noise and stress in the home was dreadful.
She was emotionally numb/yet practical, yet absent if that makes sense. She may not have left us might after night, but she chose to make her home an emotionally bereft place, it was unpredictable, her moods were out of control, so while this may have meant she was an 'emotional' person, she didnt connect with her daughters on that precious emotional level which gives the relationship trust and empathy etc
so i now struggle hugely with female relationships...trusting other females is hard, even if they are wonderful people. I question myself and my decisions constantly. The only good thing is my home is a place of peace and calm, my kids being raised much much differently to how I was raised.
It is an interesting topic OP, just sad that it has affected so many of us, but being kind to yourself, day by day, doing things for you, simple things, putting your needs first, does help in a way
sorry long post x