Factors associated with dizygotic twinning after IVF treatment with double embryo transfer

E (E.) Groeneveld, MJ Lambers, MEF Stakelbeek, TM Mooij, AW van den Belt-Dusebout, MW Heymans, R Schats, PGA Hompes, A Hoek, Curt Burger, FE van Leeuwen, CB Lambalk

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Abstract

Dizygotic twin pregnancies after IVF treatment are the result of multiple embryos transferred into the uterine cavity, followed by successful double implantation. Factors that increase the chance of multiple implantation after IVF are relatively unknown. The present study aimed to investigate whether features of body composition, such as maternal height, weight and body mass index (BMI) are associated with an increased chance of dizygotic twinning after IVF with double embryo transfer (DET). This study was conducted using data from a large Dutch nationwide cohort that comprised 19 861 women who had IVF or ICSI treatment between 1983 and 1995 (OMEGA study). First ofresh' IVF and ICSI cycles with DET resulting in a delivery of a singleton or twin (living as well as stillborn) were selected. A multivariable logistic regression analysis was performed, with the delivery of a singleton or twin as the dependent variable and height, weight, BMI, maternal age, number of retrieved oocytes, us Of the 6598 women who completed their first IVF or ICSI cycle, 2375 had DET, resulting in 496 deliveries of 371 singletons and 125 twins. Multivariable regression analysis revealed that tall women (1.74 cm) and women with a high number of retrieved oocytes (8) had an increased chance of dizygotic twinning [OR: 1.8 (95 CI: 1.03.4) and OR: 2.2 (95 CI: 1.33.8), respectively]. Our data demonstrate that tall stature and increased number of retrieved oocytes independently increase the chance of dizygotic twinning after IVF with DET.
Original languageUndefined/Unknown
Pages (from-to)2966-2970
Number of pages5
JournalHuman Reproduction
Volume27
Issue number10
DOIs
Publication statusPublished - 2012

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