weight loss during pregnancy

Let's start at the three month mark. Family events aside, this month was pretty normal. Sick, crabby, tired, etc.  I even had to go to the ER from losing too much weight! My husband and I jumped into the car in the middle of the night to head to a hospital.  According to the nurse that I talked to, losing 20 pounds in your first trimester is a no-no and I needed to be seen immediately. Talk about making us worry!  Anyway, we go to the hospital as directed and the doctor says "Oh, everything's fine.