alexa Obstetric and perinatal outcomes of twin pregnancies conceived following IVF ICSI treatment compared with spontaneously conceived twin pregnancies.
Reproductive Medicine

Reproductive Medicine

Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology

Author(s): Geisler ME, OMahony A, Meaney S, Waterstone JJ, ODonoghue K

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OBJECTIVE:

Twin pregnancy is associated with increased obstetric and perinatal risk. There are conflicting reports on whether assisted conception (ART) further increases these risks. The aim of this study is to assess the obstetric and perinatal outcomes of twin pregnancies according to mode of conception.

STUDY DESIGN:

A retrospective study of all viable dichorionic-diamniotic (DCDA) twin pregnancies (n=539) delivered at Cork University Maternity Hospital, Ireland between 2009 and 2012, divided according to spontaneous conception (SC) and ART conception, specifically IVF or ICSI.

RESULTS:

The ART conceived group were on average 4 years older (36.8±4.23 vs 32.3±4.93 years) and more frequently nulliparous (73.7%; n=126 vs 36.1%; n=133) than their SC counterparts (p<0.001). There was no significant difference in maternal antenatal complications. ART twins were twice as likely to be delivered by caesarean section (CS) (OR 2.35; 95% CI 1.76-3.14). There was no significant difference in the rates of preterm birth or NICU admission according to mode of conception. ART conceived twins were almost twice as likely to be delivered moderately preterm (32-33(+6)) (OR 1.98, 95% CI 1.21-3.23) and were more likely to have RDS and neonatal hypoglycaemia

CONCLUSIONS:

Twin pregnancy, irrespective of mode of conception, carries an increased risk of morbidity and mortality for both mother and babies and therefore couples should be counselled regarding the increased risk of iatrogenic twinning associated with double embryo transfer. However, for those that do conceive twins, they can be advised that assisted conception conveys no significant disadvantage over naturally conceived twin pregnancies.

This article was published in Eur J Obstet Gynecol Reprod Biol and referenced in Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology

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