Another thought (if this author was telling the truth): she's taught her daughter that the planned trajectory of her life comes first, and that anything that interferes, including a baby in your womb, can be crushed and discarded.
A few years down the road: Mom is older, ill, and becoming more disabled. Daughter is busy living her successful life, having crushed anybody who got in her way. Mom needs daughter's help...
Oh, I can't finish this one.
Can somebody instead imagine a future in which the daughter is redeemed, and the mother as well? I'll pray, but it's always good for me if I can envision as well...
I believe she was talking about former Brownies. She looked at the girls when they were little and thought which one would be the first one to get pregnant. When the daughter says another Brownie got pregnant she's referring to the girls that she was in the Brownies with.