I had tailbone pain for months after I had DS and now after having DD it's very painful again (especially when trying to go to the loo). Both babies came out posterior though and put an awful lot of pressure on it so I guess I'm not surprised. I broke my tailbone 10 years ago but that was MUCH more painful so I'm thinking it's just bruising which can take awhile to heal. Hopefully yours is just bruised and will start to feel better soon. I bought a donut cushion to sit on which helps take the pressure off when sitting.