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Outcome of Monochorionic Twins Conceived by Assisted Reproduction

2015-09Journal article Open access
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dc.contributor.authorSimões, T
dc.contributor.authorQueirós, A
dc.contributor.authorMarujo, AT
dc.contributor.authorValdoleiros, S
dc.contributor.authorSilva, P
dc.contributor.authorBlickstein, I
dc.date.accessioned2017-02-16T16:35:19Z
dc.date.available2017-02-16T16:35:19Z
dc.date.issued2015-09
dc.description.abstractOBJECTIVE: To evaluate monochorionic twins conceived by assisted reproductive technology (ART). DESIGN: We compared perinatal outcomes of monochorionic twins conceived by ART with their dichorionic counterparts and with spontaneous monochorionic twins. SETTING: Referral center. PATIENT(S): Mothers to monochorionic and dichorionic twins conceived by ART and spontaneous monochorionic twins. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Maternal characteristics, pregnancy complications, and perinatal outcomes. RESULT(S): Monochorionic twin pregnancies (n = 25) comprise 7.2% of all ART twins and 4.9% of all monochorionic twins in this data set. Monochorionic pairs have a significantly worse outcome compared with dichorionic sets in terms of lower gestational age and birth weight. ART appears to increase the already high risk of monochorionicity compared with spontaneous conception: odds ratio (OR), 2.9 (1.1-7.3) for preterm birth at <32 weeks and OR, 5.9 (2.5-1.49) for birth weight <1,500 g. CONCLUSION(S): Monochorionic twins after ART are at increased risk of adverse perinatal outcomes compared with spontaneous monochorionic twins and with dichorionic twins conceived by ART.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFertil Steril. 2015 Sep;104(3):629-32pt_PT
dc.identifier.doi10.1016/j.fertnstert.2015.06.002pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.17/2627
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectAdultpt_PT
dc.subjectBirth Weightpt_PT
dc.subjectChi-Square Distributionpt_PT
dc.subjectFemalept_PT
dc.subjectGestational Agept_PT
dc.subjectHumanspt_PT
dc.subjectInfant, Newbornpt_PT
dc.subjectInfant, Prematurept_PT
dc.subjectInfant, Very Low Birth Weightpt_PT
dc.subjectOdds Ratiopt_PT
dc.subjectPregnancypt_PT
dc.subjectPregnancy Complicationspt_PT
dc.subjectPremature Birthpt_PT
dc.subjectReproductive Techniques, Assistedpt_PT
dc.subjectRisk Factorspt_PT
dc.subjectTreatment Outcomept_PT
dc.subjectTwins, Dizygoticpt_PT
dc.subjectYoung Adultpt_PT
dc.subjectPregnancy, Twinpt_PT
dc.subjectTwins, Monozygoticpt_PT
dc.subjectMAC MED MAFpt_PT
dc.titleOutcome of Monochorionic Twins Conceived by Assisted Reproductionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage632pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage629pt_PT
oaire.citation.titleFertility and Sterilitypt_PT
oaire.citation.volume104pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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