The 4th Trimester Initiative: The Impact of Parental Support on Pregnant Trainee Wellbeing
Key facts
- Who runs it
- Massachusetts General Hospital
- Where
- Boston, Hartford, and Providence, United StatesSee the 7 sites
- Trial code
- Status
- Completed
- People taking part
- 156 people enrolled
- Started
- 25 May 2023
- Ended
- 10 Jan 2026
- Type of study
- Interventional, 2 groupsOne group gets no study treatment, for comparison.
- Treatments tested
- Snoo smart bassinet
- Willow wearable breast pump
- Maven Clinic on-demand perinatal consultation
- Faculty mentor
- Record updated
- 14 October 2026
Who can take part
- Sex
- Women only
- Healthy volunteers
- Can take part
The registry criteria, word for word
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Who can take part
- Pregnant residents and fellows at ≥12 weeks' gestation
- Part of a residency or fellowship training program at MGH, BWH, BCH, Tufts Medical Center, Brown University, Hartford Healthcare or BIDMC during pregnancy and for 6 months postpartum
- Clinically active and will remain clinically active until 6 months postpartum
Who cannot take part
- Nonclinical setting/dedicated research time
- Planned leave of ≥16 weeks
- Completing training within 6 months postpartum
- Maternal or fetal comorbidity precluding use of the support package
- Non-birthing parent
Where in United States
- Beth Israel Deaconess Medical CenterBoston, United States
- Boston Children's HospitalBoston, United States
- Brigham and Women's HospitalBoston, United States
- Massachusetts General HospitalBoston, United States
- Tufts Medical CenterBoston, United States
- Hartford HealthcareHartford, United States
- Brown UniversityProvidence, United States
About the trial
What the trial wants to find out
The goal of this clinical trial is to determine the impact of a parental support package for new trainee mothers which focuses on mentorship, lactation, and sleep, and access to perinatal care. The main questions it aims to answer are whether this set of interventions will improve trainee wellbeing and decrease medical error.
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Participants will be randomized to intervention and control groups. The intervention group will receive:
1. A Snoo smart sleep bassinet 2. A Willow wearable breast pump 3. Access to Maven Clinic for 24/7 on-demand perinatal care 4. A faculty mentor in their own department
The control group will receive the standard support currently offered by training programs.
All participants will wear a Fitbit to track sleep and will take a series of surveys querying pregnancy, birth, and postpartum experiences; wellbeing; and professional satisfaction.
Researchers will compare intervention and control groups to see if the intervention group has:
1. decreased rates of burnout 2. increased professional fulfillment 3. decreased thoughts of leaving the profession 4. increased perception of organizational and personal value alignment 5. increased sleep 6. decreased risk of medical errors 7. increased personal fulfillment of breastfeeding goals 8. decreased risk of postpartum depression
The 2 groups in the trial
- InterventionTreatment being tested
The intervention group will receive: 1. A Snoo smart sleep bassinet 2. A Willow wearable breast pump 3. Access to Maven Clinic for 24/7 on-demand perinatal care 4. A faculty mentor in their own department
Treatment: Snoo smart bassinet, Willow wearable breast pump, Maven Clinic on-demand perinatal consultation, and Faculty mentor
- ControlNo study treatment, for comparison
The control arm will receive: Current standard in the residency training program.
Data and sources
- Registry record
- Listed on ClinicalTrials.gov.
- Record updated
- 14 October 2026