Study analyzing data from 1.6 million Danish women ages 25-60 from 1995 to 2009 shows that women who want to minimize career income losses related to motherhood should wait until they are about 30 years old to have their first children regardless of whether a woman has earned a college degree.

See the source article by following the link below:Study analyzing data from 1.6 million Danish women, ages 25-60, from 1995 to 2009, shows that women who want to minimize career income losses related to motherhood should wait until they are about 30 years old to have their first children, regardless of whether a woman has earned a college degree.