Fourth Edition, a new book for a new generation of expectant moms—featuring a new look, a fresh perspective, and a friendlier-than-ever voice. It’s filled with the most up-to-date information reflecting not only what’s new in pregnancy, but what’s relevant to pregnant women. Heidi Murkoff has rewritten every section of the book, answering dozens of new questions and including loads of new asked-for material, such as a detailed week-by-week fetal development section in each of the monthly chapters, an expanded chapter on pre-conception, and a brand new one on carrying multiples