Moms shouldn’t have to choose between their jobs and the health of their families. But too often, companies that are fixated on their bottom lines force women to make this choice. I know. It happened to me. I became pregnant with my second child while I was working at a T-Mobile call center in Nashville, Tenn. It was a very, very rough pregnancy. I was taking medication to keep me from going into labor. I was going to the doctor twice a week, seeing both a regular obstetrician and a high-risk obstetrician. I had to drink a lot of water and go to the bathroom pretty frequently, which is what...