Weight loss

Kaity
This is baby 3. With baby 1, I was 195 pre-pregnancy, and at my 6 week postpartum I was 155. With baby 2, I was 180 prepreg, and 160 post preg. Now, with number three, I was 188 pre, and as of today (17 weeks) I weigh 170. 
Anyone else lose weight while pregnant?