Placental factors H Placental factors usually cause abortion to occur around 14 weeks’ gestation when the placenta takes over the hormone production necessary to maintain pregnancy. H Abortion may also result from failure of the endometrium to accept the fertilized ovum. H Faulty implantation of a fertilized ovum may cause the ovum to be rejected. H Spontaneous abortion may result from defective embryologic development. Fetal factors H Fetal factors usually cause abortion to occur between 9 and 12 weeks’ gestation. Pathophysiology H Abortion may result from fetal, placental, or maternalįactors. H Also known as miscarriage H Expelled products of conception from the uterus be-įore fetal viability (see Types of spontaneous abortion) Vanessa Kramasz, RN, MSN, FNP Lead Faculty & Nurse Practitioner Gateway Technical College Burlington, Wis.Ībortion, spontaneous Overview Description Irvin, RN, MSN, ARNP, NP-C Nurse Practitioner University of Louisville (Ky.) Family & Geriatric Medicine Post Doctoral Fellow University of North Carolina Chapel HillĮlizaveta House, RN, BSN Procurement Coordinator LifeChoice Donor Services, Inc.
Shelley Yerger Hawkins, APRN-BC, DSN, FNP, GNP, FAANP Lillian Craig, RN, MSN, FNP-C Adjunct Faculty Oklahoma Panhandle State University Goodwell Kim Cooper, RN, MSN Nursing Department Chair Ivy Tech Community College Terre Haute, Ind. Instructor University of Arkansas Fort SmithĮducation Specialist Berkshire Health Systems Pittsfield, Mass. RN Consultant (traveling) Britthaven, Inc. Nursing Instructor Rio Hondo College Whittier, Calif.Īssociate Professor Baptist College of Health Sciences Memphis Less common diseases 922 Selected referencesĬontributors and consultants Beverly Anderson, RN, MSN, MOTĪssociate Professor Malcolm X College Chicago paper) 2007049036Ĭontents Contributors and consultants vii Includes bibliographical references and index. NQCD2010408 Library of Congress Cataloging-in-Publication Data Nurse’s quick check.
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