NPA-GP: Anthropometric Outcomes (2021)

Author and Year:
Colleran H, Wideman L, Lovelady C 2012
PubMed ID:
Article Title:
Effects of energy restriction and exercise on bone mineral density during lactation.
Colleran H, Wideman L, Lovelady C
Medicine and science in sports and exercise
Year of publication:
Page numbers:
Study Design:
Randomized Controlled Trial
Risk of Bias Assessment Rating:
Low risk
Inclusion Criteria:
Vaginal delivery; 23 to 37years of age; with full-term(>37weeks)infants less than 3 weeks old; self-reported postpartum body mass index (BMI;calculated as kg/m2) between 25 and 30; fully breastfeeding; <3 days a week of structured physical activity for the past 3months; cleared by their physician to participate in exercise; agreed to participation in either the Intervention or Minimal Care group.
Exclusion Criteria:
History of smoking in the last 6 months; cesarean section; medical conditions that affected hormone levels; medical conditions for whom exercise was contraindicated.
Research Purpose:
The primary purpose of this study was to determine whether a diet and exercise intervention would promote weight loss with-out increasing the loss of BMD in fully breast-feeding, over-weight women. A secondary aim was to describe changes in hormones related to bone metabolism (i.e. prolactin, estradiol and GH).
Blinding efforts:
Study Location:
Greensboro, North Carolina, United States, University of NC
Source(s) of Funding:
Government, University/Hospital, Sally and Alan Cone Women and Gender Studies Grant; Betty Feezor Scho
Please specify names of funders:
University of North Carolina at Greensboro Sally and Alan Cone Student Grant for Special Projects in Women's and Gender Studies North Carolina Agricultural Research Service Grant Betty Feezor Scholarship
Trial Name if applicable:
NCT 00966381