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Ultrasound assessment of changes in the structure of the front of neck airway membrane during labour and after normal vaginal delivery: A pilot observational study

To compare the anatomical changes in the cricothyroid membrane at the onset of true labour versus postpartum using ultrasound in parturients undergoing normal vaginal delivery- a prospective, observational study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/06/112509
Enrollment
286
Registered
2026-06-11
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

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

Conditions

Health Condition 1: O268- Other specified pregnancy relatedconditions

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil

Sponsors

AIIMS Raipur
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Pregnant women aged 18 to 40 years With more than 28 weeks of gestational age In true labour ASA Physical Status II Scheduled for normal vaginal delivery

Exclusion criteria

Exclusion criteria: Pre-eclampsia or eclamptic patients Patients with heart disease BMI more than 30 Kg/m2 Patients with conditions that could hamper ultrasound assessment of the airway, like neck swelling, prior neck surgery, neck arthritis, cervical stenosis, restricted neck mobility, rheumatoid arthritis etc. Patients who were taken for caesarean delivery after recruitment.

Design outcomes

Primary

MeasureTime frame
Significant change in the depth and height of the cricothyroid membrane is expected in the postpartum period as compared to the onset of true labour in parturients undergoing normal vaginal delivery when assessed through ultrasound. Timepoint: Ultrasound guided cricothyroid membrane depth and height will be measured at the onset of true labour. Thereafter, within 4 hours of delivery ultrasound guided cricothyroid membrane depth and height will be measured—

Secondary

MeasureTime frame
NILTimepoint: Nil—

Countries

India

Contacts

Public ContactDr Sarita Ramchandani

AIIMS, Raipur

drsaritaramchandani@gmail.com9424204244

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026