Abortions were a convenient way to keep women locked into the workforce. There could be no escape from wageslaving. Now that the population is in the shitter, they criminalize abortion.
That's at least a tertiary factor in "freeing" women. 1. The creation of domestic appliances that dramatically shorten house hold chores (washing clothing is a main one). 2. The move from the bulk of work labour being less physical. Both meant there was less time needed to maintain a household, previously that was a full time job that seemed unpaid. And that women had suitable roles available in the work force where…
Honestly, given where the productivity gains of women in the workforce went (not to the actual workers), we'd probably have a better quality of life if only half the household adults worked.