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Establishment and Application of Criteria for the Elective Transfer of Two Good-quality Embryos to Reduce High-order Multiple Pregnancies by Hiroaki Shibahara; Tatsuya Suzuki; Yasuko Tanaka; Yuki Hirano; Akiyo Taneichi; Hiromi Obara; Hiroyuki Fujiwara; Satoru Takamizawa; Ikuo Sato is a Medicine article available to read on EtoBox.

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**__Aim__** : This study was carried out to establish criteria for the elective transfer of two good‐quality embryos to reduce high‐order multiple pregnancy rates. The pregnancy and multiple pregnancy rates per transfer were retrospectively analyzed in 128 __in vitro__ fertilization and embryo transfer (IVF‐ET) cycles. **__Results__** : The analysis revealed that the pregnancy and multiple pregnancy rates were 26.6% (34 of 128) and 23.5% (eight of 34), respectively. Five twin and three triplet pregnancies were included. The pregnancy rates in women 29 years old and younger, 30–34 years, 35–39 years, and 40 years and older were 21.2 (seven of 33), 37.0 (17 of 46), 25.8 (eight of 31), and 11.1% (two of 18), respectively. There was a significant difference of the pregnancy rates between 30 and 34‐year‐old and 40‐year‐old and older women (__P__ < 0.05). The multiple‐pregnancy rate in women 40 years and older was 0%. Three triplet pregnancies were established only in the first attempt of IVF‐ET. The pregnancy rates in women, to whom good‐quality embryos (0–4) were transferred, were 0% (none of 12) for 0, 17.2% (five of 29) for one, 41.2% (seven of 17) for two, 30.8% (12 of 39) for three

Who reads Establishment and Application of Criteria for the Elective Transfer of Two Good-quality Embryos to Reduce High-order Multiple Pregnancies?

Author

Hiroaki Shibahara; Tatsuya Suzuki; Yasuko Tanaka; Yuki Hirano; Akiyo Taneichi; Hiromi Obara; Hiroyuki Fujiwara; Satoru Takamizawa; Ikuo Sato

Publisher

Springer Japan; Wiley (John Wiley & Sons); John Wiley and Sons Inc.; Wiley (ISSN 1445-5781)

Published

2002

Language

EN

Field

Medicine (Health Sciences)