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Blastocyst Morphology May Predict Live Birth and Pregnancy Outcomes – RBMO
RBMO/LinkedIn
Apr 1, 2026, 01:49

Blastocyst Morphology May Predict Live Birth and Pregnancy Outcomes – RBMO

Reproductive BioMedicine Online (RBMO) shared a post on LinkedIn:

“This new study into the association between blastocyst morphometrics and live birth, obstetric complications and perinatal outcomes indicates that both the inner cell mass (ICM) area and trophectoderm (TE) cell count are independently associated with live births following embryo transfer.

Once pregnancy is established, the author team at Keio University Hospital, Japan, found that TE cell count further influences placental weight, birth weight and the incidence of live birth weight, small for gestational age, and hypertensive disorders of pregnancy.

Given the retrospective and exploratory design of this study, external validation is required before these findings can be generalised. Nonetheless, quantitative assessment of blastocyst morphology may offer valuable predictive insights into implantation potential as well as downstream obstetric and perinatal outcomes.

Published open access, the paper can be read in full for free from our in-press articles section now.”

Title: Association between blastocyst morphometrics and live birth, obstetric complications and perinatal outcomes

Authors: Hiroki Utsuno, Tomoko Ishimaru, Miho Matsumoto, Hikaru Takahashi, Shintaro Kamijo, Mitsutoshi Yamada, Mamoru Tanaka

Blastocyst Morphology May Predict Live Birth and Pregnancy Outcomes – RBMO

Stay updated on all scientific advances in the field of fertility with Fertility News.

blastocyst morphology blastocyst morphometrics embryo transfer Fertility Fertility News Hikaru Takahashi Hiroki Utsuno hypertensive disorders of pregnancy implantation Inner Cell Mass live birth live birth weight Mamoru Tanaka Miho Matsumoto Mitsutoshi Yamada Obstetric Complications Perinatal Outcomes placental weight RBMO Reproductive BioMedicine Online reproductive health Reproductive Medicine Shintaro Kamijo Tomoko Ishimaru Trophectoderm
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