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CTRI Number  CTRI/2015/10/006261 [Registered on: 15/10/2015] Trial Registered Prospectively
Last Modified On: 18/03/2021
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Single Arm Study 
Public Title of Study   Use of foot length and hind brain measurements by ultrasonography for estimating age of the baby in the womb 
Scientific Title of Study   Gestational age estimation using fetal foot length and transcerebellar diameter - A prospective study. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Tahmina S 
Designation  Assistant Professor 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Department of Obstetrics and Gynaecology,Pondicherry Institute of Medical Sciences, Kalathumettupathai, Ganapathichettikulam, Village Number 20, Kalapet

Pondicherry
PONDICHERRY
605 014
India 
Phone  8870730885  
Fax    
Email  dr.tahmina.s@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Tahmina S 
Designation  Assistant Professor 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Department of Obstetrics and Gynaecology,Pondicherry Institute of Medical Sciences, Kalathumettupathai, Ganapathichettikulam, Village Number 20, Kalapet

Pondicherry
PONDICHERRY
605 014
India 
Phone  8870730885  
Fax    
Email  dr.tahmina.s@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Tahmina S 
Designation  Assistant Professor 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Department of Obstetrics and Gynaecology,Pondicherry Institute of Medical Sciences, Kalathumettupathai, Ganapathichettikulam, Village Number 20, Kalapet

Pondicherry
PONDICHERRY
605 014
India 
Phone  8870730885  
Fax    
Email  dr.tahmina.s@gmail.com  
 
Source of Monetary or Material Support  
Pondicherry Institute of Medical Sciences 
 
Primary Sponsor  
Name  Tahmina S 
Address  Department of Obstetrics and Gynaecology,Pondicherry Institute of Medical Sciences, Kalathumettupathai, Ganapathichettikulam, Village Number 20, Kalapet, Puducherry - 605 014, INDIA 
Type of Sponsor  Other [self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Tahmina S  Pondicherry Institute of Medical Sciences  Department of Obstetrics & Gynecology
Pondicherry
PONDICHERRY 
8870730885

dr.tahmina.s@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
PIMS INSTITUTE ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Pregnant women 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Gestational age calculated from Crown rump length (CRL)  CRL calculated between 8 to 12weeks +6 days 
Intervention  Ultrasonographic measurement of Transcerebellar diameter and fetal foot length   4 weekly measurements 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Female 
Details  • Singleton pregnancy
• Gestational age at entry is between 8 + 0 to 12 + 6 weeks based on LMP, confirmed by ultrasonography
• Not on any long-term medications
• Non smokers/ no illicit drug use
 
 
ExclusionCriteria 
Details  Intrauterine fetal demise or major congenital anomaly  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Calculation of relationship of TCD and FFL with gestational age  Throughout pregnancy 
 
Secondary Outcome  
Outcome  TimePoints 
Development of fetal growth standards using TCD and FFL  Throughout pregnancy 
 
Target Sample Size   Total Sample Size="161"
Sample Size from India="161" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   02/11/2015 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Closed to Recruitment of Participants 
Publication Details    
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary  

The present study will be undertaken in the Dept. of Obstetrics & Gynaecology at Pondicherry Institute of Medical Sciences, Pondicherry. Pregnant women satisfying the inclusion criteria, after obtaining a written informed consent, will be enrolled into the study between 8 + 0 weeks and 12 + 6 weeks. Fetuses will be scanned in the first trimester for the estimation of gestational age by measurement of crown-rump length (CRL), and then subsequently at monthly intervals for fetal biometry from 18 weeks onwards till 40 weeks. All scans will be performed by the primary investigator or co-investigator. The following ultrasound measurements will be obtained at all visits: Biparietal diameter (BPD), Head circumference (HC), Abdominal circumference (AC), Femur length (FL), Transcerebellar diameter (TCD) and Fetal Foot length (FFL). Patients will be followed up until delivery and birthweight will be noted.   Data will be entered in Microsoft Excel spread sheet and analysed using SPSS software. Linear regression models for estimation of gestational age will be derived from the biometric indices, fetal foot length and transcerebellar diameter. Correlation tests will be applied to measure the correlation between FFL, TCD and gestational age; and to compare them with the other biometric parameters.

 
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