I simply don't understand why have a job if you aren't going to work for it. I don't argue your rights to have children - of course everyone is entitled to have children - but if you want to stay away from work and keep having them, it's simply my opinion that... you should do just that.
There is at least one person in my company who has been on maternity leave for the last 2 years or so, and it is common knowledge that nobody in the company thinks favourably of her - not so much that she is using the company (nobody really cares about that) but that the other employees feel hard done by, that they are working full time to get the same pay that the other employee is - who hasn't done any work with us for at least 2 years, not even office work.