Document Detail

Adverse obstetric and perinatal outcomes of singleton pregnancies may be related to maternal factors associated with infertility rather than the type of assisted reproductive technology procedure used.
MedLine Citation:
PMID:  22763098     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To compare obstetric and perinatal outcomes of singleton pregnancies conceived with different types of assisted reproductive technology (ART) procedures with those of naturally conceived pregnancies. DESIGN: Retrospective cohort study. SETTING: The perinatal database of the Japanese Society of Obstetrics and Gynecology. PATIENT(S): A total of 242,715 women with singleton pregnancies were examined as a base cohort. Three study groups were created according to the type of ART procedure used, namely ovulation stimulation medications (n = 4,111), IUI (n = 2,351), and IVF-ET (n = 4,570). Controls adjusted for multiple maternal characteristics were selected randomly for each study group. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Obstetric and perinatal outcomes. RESULT(S): Patients who conceived through the ART procedures were associated with an increased incidence of placenta previa, preterm delivery, and low birth weight infant and a decreased incidence of spontaneous cephalic delivery, regardless of the type of ART procedure. CONCLUSION(S): Among singleton pregnancies, patients conceived with ART procedures were at increased risk for several adverse obstetric and perinatal outcomes, regardless of the type of ART procedure used. These results suggest that maternal factors associated with infertility may contribute to the adverse outcomes rather than the ART procedures themselves.
Masako Hayashi; Akihito Nakai; Shoji Satoh; Yoshio Matsuda
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-2
Journal Detail:
Title:  Fertility and sterility     Volume:  -     ISSN:  1556-5653     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372772     Medline TA:  Fertil Steril     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
Department of Obstetrics and Gynecology, Nippon Medical School, Tokyo, Japan.
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