You know, I had the exact opposite happen when I was pregnant with my first. I worked at that time in a warehouse, and often had to pick up 90 pound boxes. They said "Oh, if you need someone to pick up a box, just ask" but they would never be available if I did, so I gave up. Then, 4 days before my due date when I said I had to take my time off, they got mad at me for 'leaving so soon.'