A comparison of umbilical artery Doppler during second trimester of pregnancy between advanced maternal age less than 35 years old
- Conditions
- umbilical artery Doppler of fetus GA 18-24 weeksumbilical artery Doppler, advanced maternal age
- Registration Number
- TCTR20220105001
- Lead Sponsor
- Bhumibol Adulyadej hospital Ethics Committee of Human Research
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending (Not yet recruiting)
- Sex
- Female
- Target Recruitment
- 193
Inclusion Criteria
1.singleton
2.correct gestational age
3.maternal age more than 18 years
Exclusion Criteria
1.abnormal placenta and umbilical cord
2.pregnancy with vascular disease
3.fetal chromosomal abnormality
4.smoking
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method difference of umbilical artery PI between advanced maternal age and maternal age less than 35 years at delivery abnormal umbilical artery Doppler
- Secondary Outcome Measures
Name Time Method SGA at delivery neonatal weigh less than 2500 grams