Caitlin Moran said this quote

Every woman who chooses - joyfully, thoughtfully, calmly, of their own free will and desire - not to have a child does womankind a massive favour in the long term. We need more women who are allowed to prove their worth as people; rather than being assessed merely for their potential to create new people. After all, half those new people we go on to create are also women - presumably themselves to be judged, in their futures, for not making new people. And so it will go on and on...