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CTRI Number  CTRI/2023/02/049354 [Registered on: 01/02/2023] Trial Registered Prospectively
Last Modified On: 06/05/2026
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Other 
Public Title of Study   Improving care of women during pregnancy, delivery and the period after delivery in the government health system 
Scientific Title of Study   The Antenatal and Postnatal Care Research Collective (ARC): Antenatal, Intrapartum and Postnatal Care: A Prospective, Longitudinal Study of Maternal and Newborn Health of the Pregnancy Risk Stratification Innovation and Measurement Alliance (PRiSMA MNH Study) 
Trial Acronym  ARC 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Sarmila Mazumder 
Designation  Senior Deputy Director and Senior Scientist 
Affiliation  Centre for Health Research and Development, Society for Applied Studies 
Address  Centre for Health Research and Development, Society for Applied Studies 45 Kalu Sarai, New Delhi

South
DELHI
110016
India 
Phone  011-46043751-55  
Fax  011-46043756  
Email  sarmila.mazumder@sas.org.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sarmila Mazumder 
Designation  Senior Deputy Director and Senior Scientist 
Affiliation  Centre for Health Research and Development, Society for Applied Studies 
Address  Centre for Health Research and Development, Society for Applied Studies 45 Kalu Sarai, New Delhi


DELHI
110016
India 
Phone  011-46043751-55  
Fax  011-46043756  
Email  sarmila.mazumder@sas.org.in  
 
Details of Contact Person
Public Query
 
Name  Dr Sarmila Mazumder 
Designation  Senior Deputy Director and Senior Scientist 
Affiliation  Centre for Health Research and Development, Society for Applied Studies 
Address  Centre for Health Research and Development, Society for Applied Studies 45 Kalu Sarai, New Delhi


DELHI
110016
India 
Phone  011-46043751-55  
Fax  011-46043756  
Email  sarmila.mazumder@sas.org.in  
 
Source of Monetary or Material Support  
Christian Medical College, IDA Scudder Rd, Vellore, Tamil Nadu 632004 
 
Primary Sponsor  
Name  Centre for Health Research and Development Society for Applied Studies 
Address  45, Kalu Sarai, New Delhi 
Type of Sponsor  Other [Research Organization] 
 
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 
Dr Sarmila Mazumder  Sub-Divisional Hospital, Hodal  Sub-Divisional Hospital, Hodal, Palwal
Faridabad
HARYANA 
011-46043751-55
011-46043756
sarmila.mazumder@sas.org.in 
 
Details of Ethics Committee  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Ethics Review Committee, Centre for Health Research and Development, Society for Applied Studies  Approved 
Haryana State Government approvals  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 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  49.00 Year(s)
Gender  Female 
Details  A pregnant woman who meets the following inclusion criteria may be enrolled at any stage of her pregnancy:
Women with confirmed pregnancy identified within the study catchment area through pregnancy surveillance and at study health facility 
 
ExclusionCriteria 
Details  1. Decline to provide consent

2. Inability to provide informed consent

3. Less than 18 years of age
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Maternal Outcomes:
1. Maternal mortality & Severe maternal morbidity
2. Maternal anemia

Fetal and Neonatal outcomes
1. Stillbirth
2. 7-day neonatal mortality
3. 28-day neonatal mortality
4. Preterm birth
5. Low birth weight delivery
 
Maternal outcomes: During pregnancy, at delivery point and up to one-year post-delivery

Fetal and Neonatal outcomes: At the time of delivery or up to 28 days of birth 
 
Secondary Outcome  
Outcome  TimePoints 
Maternal outcomes and conditions
1. Late maternal mortality
2. Preeclampsia/ eclampsia
3. Antepartum and post-partum hemorrhage
4. Spontaneous preterm birth
5. Provider-initiated preterm birth
6. Preterm premature rupture of membranes (PPROM)
7. Indication for provider-initiated preterm birth (i.e., PPROM, fetal growth restriction, eclampsia)
8. Gestational diabetes
9. Maternal depression
10. Maternal sepsis
11. Other infections (e.g., chorioamnionitis)
 
During pregnancy, at delivery point and up to one-year post-delivery 
Fetal and newborn outcomes
1. Stillbirth (antepartum)
2. Stillbirth (intrapartum)
3. Early stillbirth (20 weeks or birthweight 500 g)
4. Newborn death
5. Small for gestational age
6. Hyperbilirubinemia
7. Neonatal sepsis or possible severe bacterial infection
8. Birth asphyxia (intrapartum-related complication)
 
At the time of delivery or up to 28 days of birth 
Quality of care indicators
1. Number of ANC visits
2. ANC visits 4 (%)
3. Gestational age (wks) at first ANC visit
4. Number of PNC visits
5. Facility birth (%)
6. Cesarean section rates (indication)
7. Time to reach facility (minutes)
8. Time to see provider (minutes)
9. Companion of choice (%)
10. Person-Centered Maternity Care scale
11. Satisfaction (%)
 
During pregnancy (ANC visits), at delivery point and up to one-year post-delivery 
 
Target Sample Size   Total Sample Size="2000"
Sample Size from India="2000" 
Final Enrollment numbers achieved (Total)= "14271"
Final Enrollment numbers achieved (India)="14271" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/02/2023 
Date of Study Completion (India) 31/03/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="4"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
1. Sharma N, Rajitha P ET, Varghese S, Krishnamoorthy DK, Jadaun AS, Koshy RM, Vats P, Raj RB, Srinivasan R, Raghava Mohan V, Mazumder S. Cohort Profile: Hodal and Lowairpoa Demographic Surveillance Systems. Int J Epidemiol. 2025 Jun 11;54(4):dyaf099. doi: 10.1093/ije/dyaf099. PMID: 40671305; PMCID: PMC12267134. 2. Kotamreddy S, Srinivasan R, Sharma N, Jadaun AS, Pulimala E, Sasikumar M, Thankaraj S, Varghese S, Thiruvengadam R, Samuel P, Koshy RM, Mazumder S, Mathews JE, Bhatnagar S, Kang G, Mohan VR. Determinants of small vulnerable newborn births in two rural community-based cohorts in India: a prospective study. Lancet Reg Health Southeast Asia. 2026 Mar 2;47:100739. doi: 10.1016/j.lansea.2026.100739. PMID: 41799251; PMCID: PMC12961317. 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

The ARC study is designed to reduce the risk of adverse pregnancy outcomes through the following: 1) Increase the quality and quantity for ANC/IPC/PNC services, 2) Improve risk prediction and management, 3) Ensure earlier initiation into ANC/IPC/PNC services, 4) Increase the continuity of care across the continuum of care from ANC, IPC to PNC.

The goals are to develop a harmonized data set to improve our understanding of pregnancy risk factors, vulnerabilities, and morbidity and mortality and to estimate the burden of these risk factors and outcomes in LMICs. Ultimately, these data will inform the development of innovative strategies to optimize pregnancy outcomes for mothers and their newborns.

It will be a prospective, open cohort study. All eligible pregnant women will be followed through the antenatal, intrapartum and postnatal periods and infants through one year of age


 
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