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Korean Journal of Obstetrics & Gynecology 2001;44(3):472-477.
Published online March 1, 2001.
Perinatal Outcome of Reduced Twin Pregnancies from Triplet by Multifetal Pregnancy Reduction in Patients underwent In Vitro Fertilization and Embryo Transfer.
Hae Rim Lee, Dong Sun Lee, Eun Ju Park, Sung Hoon Kim, Dae Joon Cheon, Hee Dong Chae, Chung Hoon Kim, Byung Moon Kang, Kyun Park, Yoon Seok Chang
1Department of Obstetrics and Gynecology, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, Korea.
2Department of Obstetrics and Gynecology, College of Medicine, University of Ulsan, Ulsan University Hospital, Ulsan, Korea.
To investigate the perinatal outcome and complications of reduced twin pregnancies from triplet by multifetal pregnancy reduction (MFPR) in patients who underwent in vitro fertilization and embryo transfer. MATERIALS AND METHODS: From January 1995 to December 1999, a total of 71 twin pregnancies were included in this study. The patients were grouped into the MFPR group (n = 19) and the non-MFPR group (n = 59). The pregnancies in the MFPR group were reduced to twin from triplet by the MFPR. MFPR was performed by transvaginal sonography-guided fetal aspiration or mechanical trauma. The obstetric and perinatal outcomes were compared between the two groups. Statistical analysis was performed using Student's t-test, Fisher's exact test, and kappa2 test as appropriate. Statistical significance was defined as p < 0.05. RESULTS: There were no significant differences in mean gestational age and distribution of gestational age between the two groups. However, the fetal loss rate before 24 weeks of gestation was significantly higher in the MFPR group than the non-MFPR group. We did not find any significant differences in mean birth weight and weight discordancy between the two groups. There were no differences in obstetric and perinatal outcomes between the MFPR and non MFPR groups as well. CONCLUSIONS: These data suggest that pregnancy outcome of reduced twin pregnancies from triplet by MFPR in patients underwent IVF-ET might be comparable to that of non-reduced twin pregnancies.
Key Words: Multifetal pregnancy reduction (MFPR), Reduced twin, Pregnancy outcome

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