Saves should be under id.mgq.yeehaw app id. Though, you should understand what are you doing before going into the file system. I won't be responsible for any potential damage.
No, pregnancy content is not planned in the near future. With adding Spine 2D animations, we don't really have any hours for something like this at the moment. Maybe this will appear on the feedback polls as an idea in the future where players decide our next focus.