lackwell Publishing LtdEditor(s): John T. Queenan, John C. Hobbins, Catherine Y. SpongPublished Online: 30 APR 2009Print ISBN: 9781405125796Online ISBN: 9781444312904DOI: 10.1002/9781444312904 About this BookProduct InformationAbout The ProductPregnancies compromised by disease, trauma, substance abuse, and other factors are not uncommon.