A comprehensive guide showing parents exactly how their baby develops and what they can expect at each stage On a week-by-week basis, this guide details for expectant mothers how her baby is developing, how and why her body is changing and what to do to ensure a smooth and comfortable pregnancy, every step of the way. With clear, authoritative advice that demystifies complex medical jargon, this indispensable guide takes readers through each stage of pregnancy from conception to labor, addressing common concerns and questions to ensure a healthy start for the baby.