@book{8790,
	author = {The American College of Obstetricians and Gynecologists},
	title = {Your pregnancy and childbirth :},
	publisher = {The American College of Obstetricians and Gynecologists ,},
	year = {2016.},
	address = {Washington, DC :},
	edition = {Revised sixth edition.},
	note = {Includes appendices and indexes.}
}