It’s inevitable: Sometime during pregnancy, you realize (with panic! with dread!) that the living, growing being inside you will have to come out. Not with a dainty parting of curtains or a gentle opening of doors, but with hard work, pushing and sweat: with labor. You realize that you need assistance, not of the “let me fetch you some iced tea” variety, but some serious, get-down-on-your-haunches help.