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A study of the new reference value for estimated fetal weight in Japan

A study of the new reference value for estimated fetal weight in Japan - New Reference Value for EFW in Japan

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000050614
Enrollment
2600
Registered
2023-03-17
Start date
2023-03-17
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pregnancy

Interventions

None listed

Sponsors

Toho University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The eligibility criteria for this study are women who are at least 18 years of age with a singleton pregnancy and whose expected delivery date is determined according to the "Guidelines for Obstetrics and Gynecology Practice, Obstetrics Edition 2020 (latest edition once the revised edition is released)" and whose ultrasound measurements are measured at the reference plane.

Exclusion criteria

Exclusion criteria: Patients whose ultrasound measurements are not measured at the reference plane. Patients referred for medical reasons after the 2nd trimester at institutions with a NICU or MFICU (non-medical reasons such as relocation are acceptable). Patients who are inappropriate for this study.

Design outcomes

Primary

MeasureTime frame
The primary outcome is the reference range of estimated fetal weight by gestational week.

Secondary

MeasureTime frame
The secondary outcome are the reference range of BPD, HC, AC, and FL by gestational week.

Countries

Japan

Contacts

Public ContactSumito Nagasaki

Toho University Omori Medical Center Department of Obstetrics and Gynecology

sumito.nagasaki@med.toho-u.ac.jp03-3762-4151

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026