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Article: Nuchal translucency in pregnancies conceived after assisted reproduction technology

TitleNuchal translucency in pregnancies conceived after assisted reproduction technology
Authors
KeywordsEmbryo transfer
Frozen embryo transfer
in-vitro fertilization
Intracytoplasmic sperm injection
Nuchal translucency
Issue Date2005
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/0960-7692/
Citation
Ultrasound In Obstetrics And Gynecology, 2005, v. 25 n. 3, p. 234-238 How to Cite?
AbstractObjectives: Levels of maternal serum markers of fetal Down syndrome in pregnancies conceived after assisted reproduction are different from those of normal spontaneous pregnancies. The present study examined the effects of conventional in-vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI) and embryo cryopreservation on nuchal translucency (NT) thickness. Methods: A retrospective analysis on 16 673 spontaneous pregnancies, 119 pregnancies with fresh embryos from IVF, 62 pregnancies with frozen-thawed embryos from IVF, 81 pregnancies with fresh embryos from ICSI and 39 frozen-thawed embryos from ICSI was performed. All were singletons with known normal outcomes. Multiples of the median (MoM) of NT were compared. Results: The median NT MoM of spontaneous pregnancies was 1.01. In the assisted reproduction pregnancies, the median NT MoM were significantly increased to 1.07 (P = 0.003), 1.09 (P = 0.009) and 1.09 (P = 0.001) in pregnancies conceived with fresh embryos from IVF, frozen-thawed embryos from IVF and fresh embryos from ICSI, respectively. A non-significant increase in median NT MoM (1.04; P = 0.489) was also observed in pregnancies with frozen-thawed embryos from ICSI. Conclusions: Increased NT in assisted reproduction pregnancies is postulated to be due to some delay in fetal development. Another possible reason might be related to adverse antenatal course in these pregnancies. Copyright © 2005 ISUOG. Published by John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/87445
ISSN
2023 Impact Factor: 6.1
2023 SCImago Journal Rankings: 2.207
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHui, PWen_HK
dc.contributor.authorTang, MHYen_HK
dc.contributor.authorLam, YHen_HK
dc.contributor.authorYeung, WSBen_HK
dc.contributor.authorNg, EHYen_HK
dc.contributor.authorHo, PCen_HK
dc.date.accessioned2010-09-06T09:29:45Z-
dc.date.available2010-09-06T09:29:45Z-
dc.date.issued2005en_HK
dc.identifier.citationUltrasound In Obstetrics And Gynecology, 2005, v. 25 n. 3, p. 234-238en_HK
dc.identifier.issn0960-7692en_HK
dc.identifier.urihttp://hdl.handle.net/10722/87445-
dc.description.abstractObjectives: Levels of maternal serum markers of fetal Down syndrome in pregnancies conceived after assisted reproduction are different from those of normal spontaneous pregnancies. The present study examined the effects of conventional in-vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI) and embryo cryopreservation on nuchal translucency (NT) thickness. Methods: A retrospective analysis on 16 673 spontaneous pregnancies, 119 pregnancies with fresh embryos from IVF, 62 pregnancies with frozen-thawed embryos from IVF, 81 pregnancies with fresh embryos from ICSI and 39 frozen-thawed embryos from ICSI was performed. All were singletons with known normal outcomes. Multiples of the median (MoM) of NT were compared. Results: The median NT MoM of spontaneous pregnancies was 1.01. In the assisted reproduction pregnancies, the median NT MoM were significantly increased to 1.07 (P = 0.003), 1.09 (P = 0.009) and 1.09 (P = 0.001) in pregnancies conceived with fresh embryos from IVF, frozen-thawed embryos from IVF and fresh embryos from ICSI, respectively. A non-significant increase in median NT MoM (1.04; P = 0.489) was also observed in pregnancies with frozen-thawed embryos from ICSI. Conclusions: Increased NT in assisted reproduction pregnancies is postulated to be due to some delay in fetal development. Another possible reason might be related to adverse antenatal course in these pregnancies. Copyright © 2005 ISUOG. Published by John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/0960-7692/en_HK
dc.relation.ispartofUltrasound in Obstetrics and Gynecologyen_HK
dc.rightsUltrasound in Obstetrics & Gynecology. Copyright © John Wiley & Sons Ltd.en_HK
dc.subjectEmbryo transferen_HK
dc.subjectFrozen embryo transferen_HK
dc.subjectin-vitro fertilizationen_HK
dc.subjectIntracytoplasmic sperm injectionen_HK
dc.subjectNuchal translucencyen_HK
dc.titleNuchal translucency in pregnancies conceived after assisted reproduction technologyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0960-7692&volume=25&spage=234&epage=238&date=2005&atitle=Nuchal+translucency+in+pregnancies+conceived+after+assisted+reproduction+technologyen_HK
dc.identifier.emailTang, MHY: mhytang@hkucc.hku.hken_HK
dc.identifier.emailYeung, WSB: wsbyeung@hkucc.hku.hken_HK
dc.identifier.emailNg, EHY: nghye@hku.hken_HK
dc.identifier.emailHo, PC: pcho@hku.hken_HK
dc.identifier.authorityTang, MHY=rp01701en_HK
dc.identifier.authorityYeung, WSB=rp00331en_HK
dc.identifier.authorityNg, EHY=rp00426en_HK
dc.identifier.authorityHo, PC=rp00325en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/uog.1846en_HK
dc.identifier.pmid15736183-
dc.identifier.scopuseid_2-s2.0-15944412529en_HK
dc.identifier.hkuros97416en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-15944412529&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue3en_HK
dc.identifier.spage234en_HK
dc.identifier.epage238en_HK
dc.identifier.isiWOS:000227927800005-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHui, PW=7101621830en_HK
dc.identifier.scopusauthoridTang, MHY=8943401300en_HK
dc.identifier.scopusauthoridLam, YH=7202563903en_HK
dc.identifier.scopusauthoridYeung, WSB=7102370745en_HK
dc.identifier.scopusauthoridNg, EHY=35238184300en_HK
dc.identifier.scopusauthoridHo, PC=7402211440en_HK
dc.identifier.citeulike113623-
dc.identifier.issnl0960-7692-

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