I'm four months pregnant and still BF my 24 m/o. I've been trying to wean him gradually, but I've noticed that all my milk seems to have disapeared. I was expecting it to turn back into colestrum, and about this time in my last pregnancy I could express tiny drops of it. Now, there is nothing there at all and I think my DS is just suckling for comfort. I'm really suprised and a little worried that it has just vanished and not been replaced with the colestrum, which I was expecting to happen. Has this happened to anyone else?