What To Expect When You’re Expecting • Heidi Murkoff and Sharon Mazel This is considered the pregnancy bible that most recently inspired a Hollywood movie with the same name starring Jennifer Lopez and Cameron Diaz. It breaks down exactly what women should expect every single month during their pregnancy. It also provides answers to many questions such as: Could using my smartphone be harmful for my unborn baby? and Can I use sugar substitutes? The book answers practically any question a soon-to-be mom may have, and then some.