Uhm, it means that women can now work in a variety of different fields, and standards have changed because they are no longer expected to bear children at early ages.
Women can focus on their careers and there is less pressure for them to be housewives.
now have their own career options, and are no longer considered
failures if they do not marry and produce children in their twenties or
what does it mean?
I would suggest some changes in this sentence as per below:
Nowadays, women are more likely to choose a career path and most of the people do not expect them to get married or to give birth in their twenties or thirties what used to be considered as a failure in the previous generation.