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Article: Ultrasound-guided embryo transfer: A prospective randomized controlled trial

TitleUltrasound-guided embryo transfer: A prospective randomized controlled trial
Authors
KeywordsEmbryo transfer
IVF
Transabdominal ultrasound
Issue Date2001
PublisherOxford University Press. The Journal's web site is located at http://humrep.oxfordjournals.org/
Citation
Human Reproduction, 2001, v. 16 n. 11, p. 2310-2315 How to Cite?
AbstractBackground: Recent reports suggested that ultrasound guidance during embryo transfer might improve the pregnancy rate. Methods: A prospective randomized controlled trial was performed to compare embryo transfer under ultrasound guidance versus the clinical touch method. A total of 800 embryo transfers was studied; 400 were randomized to ultrasound-guided transfers and 400 were randomized to the clinical touch group. Of these, 441 were fresh cycles and 359 were frozen-thawed cycles. Results: The clinical pregnancy rate was 26.0% in the ultrasound-guided group and 22.5% in the clinical touch group; the difference was not statistically significant. The ongoing pregnancy rate was 23.5% in the ultrasound-guided group compared with 19.0% in the clinical touch group and the difference was again not statistically significant. The implantation rate was slightly higher in the ultrasound-guided group (15.3%) than the clinical touch group (12.0%) (P = 0.048). There were no differences in the incidences of ectopic pregnancy, miscarriage and multiple pregnancy between the two groups. Conclusions: A significant improvement in implantation rate was observed following the use of ultrasound guidance during embryo transfer. The extent of improvement in the pregnancy rate may depend on the specific techniques and methods of embryo transfer used in individual centres.
Persistent Identifierhttp://hdl.handle.net/10722/87417
ISSN
2015 Impact Factor: 4.621
2015 SCImago Journal Rankings: 2.271
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTang, OSen_HK
dc.contributor.authorNg, EHYen_HK
dc.contributor.authorSo, WWKen_HK
dc.contributor.authorHo, PCen_HK
dc.date.accessioned2010-09-06T09:29:24Z-
dc.date.available2010-09-06T09:29:24Z-
dc.date.issued2001en_HK
dc.identifier.citationHuman Reproduction, 2001, v. 16 n. 11, p. 2310-2315en_HK
dc.identifier.issn0268-1161en_HK
dc.identifier.urihttp://hdl.handle.net/10722/87417-
dc.description.abstractBackground: Recent reports suggested that ultrasound guidance during embryo transfer might improve the pregnancy rate. Methods: A prospective randomized controlled trial was performed to compare embryo transfer under ultrasound guidance versus the clinical touch method. A total of 800 embryo transfers was studied; 400 were randomized to ultrasound-guided transfers and 400 were randomized to the clinical touch group. Of these, 441 were fresh cycles and 359 were frozen-thawed cycles. Results: The clinical pregnancy rate was 26.0% in the ultrasound-guided group and 22.5% in the clinical touch group; the difference was not statistically significant. The ongoing pregnancy rate was 23.5% in the ultrasound-guided group compared with 19.0% in the clinical touch group and the difference was again not statistically significant. The implantation rate was slightly higher in the ultrasound-guided group (15.3%) than the clinical touch group (12.0%) (P = 0.048). There were no differences in the incidences of ectopic pregnancy, miscarriage and multiple pregnancy between the two groups. Conclusions: A significant improvement in implantation rate was observed following the use of ultrasound guidance during embryo transfer. The extent of improvement in the pregnancy rate may depend on the specific techniques and methods of embryo transfer used in individual centres.en_HK
dc.languageengen_HK
dc.publisherOxford University Press. The Journal's web site is located at http://humrep.oxfordjournals.org/en_HK
dc.relation.ispartofHuman Reproductionen_HK
dc.rightsHuman Reproduction. Copyright © Oxford University Press.en_HK
dc.subjectEmbryo transferen_HK
dc.subjectIVFen_HK
dc.subjectTransabdominal ultrasounden_HK
dc.titleUltrasound-guided embryo transfer: A prospective randomized controlled trialen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0268-1161&volume=16&issue=11&spage=2310&epage=2315&date=2001&atitle=Ultrasound-guided+embryo+transfer:+a+prospective+randomized+controlled+trialen_HK
dc.identifier.emailNg, EHY:nghye@hkucc.hku.hken_HK
dc.identifier.emailHo, PC:pcho@hku.hken_HK
dc.identifier.authorityNg, EHY=rp00426en_HK
dc.identifier.authorityHo, PC=rp00325en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid11679510-
dc.identifier.scopuseid_2-s2.0-0035156365en_HK
dc.identifier.hkuros65371en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035156365&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue11en_HK
dc.identifier.spage2310en_HK
dc.identifier.epage2315en_HK
dc.identifier.isiWOS:000172097200014-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridTang, OS=7006723402en_HK
dc.identifier.scopusauthoridNg, EHY=35238184300en_HK
dc.identifier.scopusauthoridSo, WWK=36849240200en_HK
dc.identifier.scopusauthoridHo, PC=7402211440en_HK

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