Observational study on changes in uterine artery blood flow and placental oxygen concentration during maternal medication using MRI

Observational study on changes in uterine artery blood flow and placental oxygen concentration during maternal medication using MRI - Observational study on changes in uterine artery blood flow and placental oxygen concentration using MRI

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039551

Enrollment

Registered

2020-02-20

Start date

2019-04-01

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

Pregnant women with conditions mainly due to placental abnormalities such as preeclampsia or fetal growth restriction

Interventions

After obtaining consent for singleton pregnancy after 20 weeks of gestation, when a drug that may affect the hemodynamics is newly administered, a uteroplacental MRI will be taken immediately before d

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Singleton pregnancy between the ages of 20 and 45 2. Pregnant women who receive new drugs that may affect hemodynamics 3. 20 weeks or more of pregnancy 4. Informed consent has been obtained from the person (maternal) regarding the participation in the research

Exclusion criteria

Exclusion criteria: If consent cannot be obtained after sufficient informed consent. When the mother has signs of premature birth.

Design outcomes

Primary

Measure	Time frame
Changes and trends in BOLD signal before and after administration of drugs that may affect hemodynamics. Changes and trends in uterine artery blood flow.	—

Countries

Japan

Contacts

Public Contactmasafumi nii

Mie University Hospital Obstetrics and gynecology

tadafer.study@gmail.com0592321111

Outcome results

None listed

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