There are 170 countries in the world that guarantee maternity leave for mothers.

The United States isn't one of them.

But now some politicians are trying to change that.

President Obama is calling for a modest change from Congress - a law giving federal employees six weeks of paid administrative leave when they have children.

Right now, just 11 percent of American workers get paid parenting leave from their employer. Labor experts say giving that time off can benefit the company.

"Workers are happier. That's a good thing because happy workers do a better job. There's less turnover, more effort; so there's positive benefits for employers."

The push comes as women become the primary bread winner in close to half of households, so the calls for parental leave won't be ending anytime soon.