SELFISH is the word you are looking for.
It's all about me, I, me today.
The childless by choice movement in Poland has taken thirty somethings by storm and is now trickling down to women in their 20s, single or otherwise, as soon as they see their life as a possession that children destroy.
I can't even count the number of articles I've seen on this topic of basic reasons why women are confident they'll never want kids, with the grand conclusion that her personal happiness is most important and that children put that happiness in dire danger.
Take the Polish girls here on this forum alone that are childless.
At least women are aware these days of how selfish they are and avoid cheating a child out of a fulfilled life.