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Effectiveness of Interventions to Promote Physical Activity During Pregnancy

Study acronym: SLMM
StatusRecruiting
PhaseNot applicable
Started2026-02-01
View on ClinicalTrials.gov ↗

Amendment history

2026-08-23
Study Status, Study Description, Outcome Measures, Eligibility v2
Eligibility criteria+8 characters
Eligibility Criteria 18 to 45 years old speak English 8 to 1215 weeks, 6 days pregnant (gestation) singleton pregnancy (no twins or more) [...]
Secondary endpointsdetails revised at 3 of 4 entries
Study description+8 characters
[...] singleton pregnancy (e.g., no twins) will be recruited at 8-1215 weeks, 6 days gestation (T1) from prenatal clinics. Participants will eng [...] ed. Participants also: 1) complete questionnaires at T2 (18-2226 weeks) and T3 (28-3236 weeks); and 2) wear a Fitbit throughout the study from Study Week 3 to 3236 weeks gestation. We aim to: Aim 1) Determine the feasibilit [...]
2026-03-10
Not Yet Recruiting→Recruiting Study Status, Contacts/Locations v1
Trial statusNot Yet Recruiting→Recruiting
Start dateestimated 2026-01→confirmed 2026-02-01
Study sites0→1
2025-10-29
Original filing
Pregnant women are more sedentary (sit, recline, lie down more) on average than non-pregnant women (more than 12 versus less than 8 waking sedentary hours/day). Sedentary behavior has been related to psychological distress, pregnancy weight gain, impaired sleep and very large size infants, while adequate physical activity has been found to improve mental health, decrease risk of high blood pressure in pregnancy and lower risk of preterm birth infants (less than 37 weeks gestation). Decreased sedentary behavior and increased physical activity may be crucial and neglected lifestyle behavior changes that can be promoted to reduce these and other maternal health and birth outcome problems among pregnant women.
Trial Details
NCT Number NCT07223112
Lead Sponsor University of Central Florida
Collaborators: National Institutes of Health (NIH), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Conditions Pregnancy, Sedentary Behavior, Insufficient Physical Activity
Enrollment 60 participants
Start Date 2026-02-01
Primary Completion 2027-08 (estimated)
Study Completion 2027-08-31 (estimated)
Updated on ClinicalTrials.gov 2026-08-25