There are some experiences that make you a member of special kind of club. Some are trivial: drinking Irn Bru, Scotland’s favourite soft drink. Some are life changing: going into space, fighting in a war or having cancer. The club members (people who have had the experience) know what the experience is really like. This is very hard to explain to people outside the club. They often think they understand, but they do not really get it. It is easy to talk about the experience with other people who have had that experience. They understand what you are trying to express. They get it. L.A. Paul called experiences like this, experiences that provide knowledge that you cannot acquire without having the experience, epistemically transformative experiences.
I argue in a recent article that pregnancy is an epistemically transformative experience: being pregnant provides you with access to knowledge about what pregnancy is like that is extremely difficult, if not impossible, to acquire without being pregnant. This matters because in order to think properly about the ethics of abortion we need to know what being pregnant is like.