Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies

Ritsuko K. Pooh; Megumi Machida; Kohtaro Uenishi; Takahito Miyake; Toshiyuki Hata; Rikikazu Sugiyama; Masahide Shiotani; Kenji Furui; Tetsunori Mukaida; Atsumi Yoshida; Fumitoshi KOGA; Motowo Nabeta; Koichi Kyono; Yoshiharu Morimoto

doi:10.1007/s10396-026-01626-8

March 26, 2026Journal of Medical UltrasonicsOpen Access

Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies

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Key Points

The aim is to establish updated reference standards for fetal crown-rump length (CRL) using 3D ultrasound in assisted reproductive technology (ART) pregnancies.
Conducted a multicenter study across various locations
Utilized 3D ultrasound to measure fetal crown-rump length
Developed new reference standards for CRL measurement
Established updated reference standards for CRL measurements
Improved gestational dating accuracy for ART pregnancies
Enhanced first-trimester screening practices in Japan

Implication

Multicenter study updates 3D ultrasound standards for accurate dating in ART pregnancies, suggesting improved practices.

Abstract

These updated 3D ultrasound-based CRL reference standards for ART pregnancies modernize Japanese practice and establish a refined framework for accurate gestational dating and first-trimester screening.

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Cite This Study

Pooh et al. (2026) studied this question.

synapsesocial.com/papers/69c8c115de0f0f753b39bb20 https://doi.org/10.1007/s10396-026-01626-8

View Full Paper

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Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies

Key Points

Implication

Abstract

Discussion

Cite This Study

Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies

Key Points

Implication

Abstract

Discussion

Cite This Study

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