Application of ultrasound multi-parameter model in evaluating placental function during first and second trimesters

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100044825

Enrollment

Unknown

Registered

2021-03-28

Start date

2019-01-01

Completion date

Unknown

Last updated

2021-10-26

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

Conditions

placental insufficiency

Interventions

Gold Standard:clinical pregnancy outcome,magnetic resonance imaging and pathology of placenta.

Index test:ultrasonic indexes

Eligibility

Sex/Gender

Female

Age

16 Years to 55 Years

Inclusion criteria

Inclusion criteria: Grouping criteria : 1. Normal pregnancy: No pregnancy complications occurred during pregnancy. Newborns are full term infants. 2. Adverse pregnancy group: Pregnancy with adverse pregnancy outcomes includes preeclampsia, abortion, stillbirth, premature delivery, intrauterine growth retardation, neonatal ICU, neonatal death, etc.

Exclusion criteria

Exclusion criteria: 1.Incomplete medical records; 2.Those with abnormal fetal structure; 3.Multiple pregnancy.

Design outcomes

Primary

Measure	Time frame
Three-dimensional imaging of placental blood vessels;umbilical blood flow;uterine arterial blood flow;clinical pregnancy outcome;SEN, SPE, ACC, AUC of ROC;	—

Secondary

Measure	Time frame
middle cerebral artery;Venous catheter blood flow;	—

Countries

China

Contacts

Public ContactBaoying Ye

International Peace Maternal and Child Health Hospital

eyby99@126.com+86 13816797257

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026