If mothers are at home, raising their children, they are hardly blessed with an abundance of time, and are rarely idle. Clearly, you've never tried staying home with multiple children, keeping them fed, their clothes clean, and entertained. It's a job that would make most men weep by the end of their first day!
If a woman is a trained professional, she should be allowed to decide for herself when it's time to reenter the work force. She doesn't need to be "drawn into business". She's already knee-deep in the business of raising the next generation, and can decide for herself, and for her family, when that job is finally done, and whether she should return to work.