The choice to start or expand a family will, without question, have the largest impact on the mother's career.
There really isn’t a great, non-awkward way of telling a stranger you see kicking ass at being a parent that they are kicking ass at being a parent.
People will tell you or talk about "what a good dad you are," by your simply being around. This is insulting to everyone. Acknowledge this disparity and push to make being a good dad mean so much more.