Saying that women give up a career to look after their children is like lamenting the fact that people are giving up drinking to look after their liver.
The French word for work, 'travail', comes from 'tripalium', a medieval torture instrument. It's bad for everyone, and I definitely think a society where only one parent has to work instead of two is better.
A 'career' is something pop singers and top athletes (male or female) have. They even have agents to manage those careers. But most people have a job; they do work, travail, tripalium.
The fact that people confuse the two is just capitalist propaganda.