Almost half of all pregnant women are overweight in the U.S. today, but there are few places they can turn for reliable information and helpful advice on the special set of challenges they'll face during the nine-month adventure that lies ahead. In Big, Beautiful and Pregnant, Cornelia van der Ziel, a highly sought-after obstetrician who specializes in plus-size pregnancies, and Jacqueline Tourville, a plus-size mom who's lived the experience, offer...