ormal reference ranges of systolic-to-diastolic time index and ratios of the left and right ventricle and interventricular septum of fetus during 16+0-39+6 weeks gestation by spectral and tissue Doppler ultrasound

Phase 1

Recruiting

• Conditions: Singleton low risk pregnant women; Nomogram, Reference range, Systolic-to-diastolic time index, Systolic-to-diastolic ratio, ultrasound

• Registration Number: TCTR20220616002
• Lead Sponsor: Faculty of medicine, Prince of Songkla University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2022-06-16
• Study Completion: 2023-12-11
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: Female
• Target Recruitment: 429

Inclusion Criteria

Singleton low risk pregnant women more than 20 years old
-Gestational age 16-39+6 weeks

Exclusion Criteria

-Maternal complications
-No data of postpartum conditions
-Congenital anomalies
-Abnormal chromosome
-Abnormal Growth
-Decreased or increased amniotic fluid volume
-Postpartum anomaly was seen
-Prolong procedure more than 15 minutes

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
omogram of systolic-to diastolic time index and ratio within 6 months after end of the intervention Patient was measured by spectral and tissue Doppler ultrasound

Secondary Outcome Measures

Name	Time	Method
intra-inter observer variability within 6 months after end of the intervention Patient was measured by spectral and tissue Doppler ultrasound by investigator 1 and investigator 2