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- Title
The Influence of Assisted Reproductive Technology on Growth Discordance in Dichorionic Twin Pregnancies.
- Authors
Suzuki, Shunji; Murata, Tomoaki
- Abstract
Objective: We examined the relation between first-trimester crown-rump length (CRL) discordance and birth weight discordance in dichorionic twin pregnancies conceived by assisted reproductive technology (ART). Methods: We examined 101 nulliparous dichorionic twin pregnancies producing male-male or female-female infants conceived spontaneously (n = 38) or following in vitro fertilization and embryo transfer (n = 63). Results: There were no significant differences in CRL disparity or birth weight discordance between spontaneous and ART-conceived dichorionic twin pregnancies. There was a positive correlation between CRL disparity and birth weight discordance in ART-conceived twin pregnancies (r2 = 0.22, p = 0.02), while there was no such correlation in spontaneous pregnancies (r2 = 0.02, p = 0.40). Conclusion: In ART-conceived dichorionic twin pregnancies, CRL disparity may be associated with birth weight discordance. Copyright © 2007 S. Karger AG, Basel
- Subjects
REPRODUCTIVE technology; FIRST trimester of pregnancy; BIOTECHNOLOGY; DURATION of pregnancy; GESTATIONAL age
- Publication
Fetal Diagnosis & Therapy, 2007, Vol 22, Issue 5, p372
- ISSN
1015-3837
- Publication type
Article
- DOI
10.1159/000103299