| Frozen-thawed blastocyst transfer reduces ectopic pregnancy risk: an analysis of single embryo transfer cycles in Japan. | |
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MedLine Citation:
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PMID: 21377154 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate the effect of frozen-thawed blastocyst transfer on ectopic pregnancy (EP) rate. DESIGN: Retrospective analysis. SETTING: Japanese registry of assisted reproductive medicine. PATIENT(S): Women who were registered during 2008. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Rates of live birth, EP, and spontaneous abortion in single blastocyst and cleavage-stage ET cycles in both fresh and frozen-thawed were determined. RESULT(S): In the frozen-thawed single blastocyst transfer cycles, 84 EPs of 10,312 clinical pregnancies (0.81%) were reported. There were 25 EPs of 1,361 clinical pregnancies (1.8%) in fresh IVF single blastocyst transfer cycles and 19 of 1,352 (1.4%) in fresh intracytoplasmic sperm injection single blastocyst transfer cycles. The rate of EPs after frozen-thawed single blastocyst transfers varied between 0.56% and 0.97% after stratification by age group. CONCLUSION(S): Frozen-thawed blastocyst transfers have reduced EP rates significantly compared with fresh blastocyst transfers. |
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Authors:
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Osamu Ishihara; Akira Kuwahara; Hidekazu Saitoh |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-4 |
Journal Detail:
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Title: Fertility and sterility Volume: - ISSN: 1556-5653 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372772 Medline TA: Fertil Steril Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Obstetrics and Gynecology, Faculty of Medicine, Saitama Medical University, Saitama, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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