"I find people just tend to pick the paper up," said Ms Skinner. "They know full well you're pregnant, but they just read or close their eyes and pretend they can't see you." People shove her in all directions at the next stop and at least five men push in front of her. After a few minutes, Steve, 30, a designer from Acton, who declined to give his surname, removes his iPod headphones and motions to ask her if she wants a seat.