Breastfeeding behaviours in women with obesity; associations with weight retention and the serum metabolome: a secondary analysis of UK Pregnancies Better Eating and Activity Trial (UPBEAT)
Authors' conclusion
Greater emphasis on enabling breastfeeding for women with obesity could improve duration, women's weight management and metabolic health. The lack of breastfeeding related anthropometric effects in Black women requires further investigation.
Study context
- Population
- Ethnically diverse cohort of women with obesity from UPBEAT, an RCT of an antenatal lifestyle intervention, UK
- Participants
- 715 participants
- Comparison
- Breastfeeding behaviours by obesity class; any breastfeeding vs no breastfeeding at 6 months postpartum
Methodological detailscohort analysis, multi-centre
- Cohort analysis
- Multi-centre
Primary result
As reported in the abstract
6-months postpartum
Initiated breastfeeding
82%
591/715
Breastfeeding exclusively or partially at 6-month follow-up
40%
283/715
Further findings
| Outcome | BMI class I | Difference in mean (days) (95% CI) | P value | |
|---|---|---|---|---|
| Duration of exclusive breastfeeding by obesity classBMI class IIvs BMI class I | mean 90.4 ± 64 days | −15.8 (−28.5 to −3.1) | P < 0.05 | |
| −40−20020Difference, days (linear scale) |
| Outcome | Difference in mean (95% CI) | P value | |
|---|---|---|---|
| Duration of exclusive breastfeeding by obesity classBMI class IIIvs BMI class I | −16.7 (−32.0 to −1.35) | P < 0.05 | |
| −40−20020Difference (linear scale) |
| Outcome | Reduced weight retention (kg) (95% CI) | P value |
|---|---|---|
| Weight retention, any breastfeeding vs no breastfeeding · 6-months postpartum | −1.81 (−0.75 to −2.88) | P < 0.05 |
Metabolome and anthropometry, any breastfeeding vs no breastfeeding · 6-months postpartum
- Any breastfeeding associated with improvements in metabolites towards a healthier profile and reduced anthropometric measures, incl. mid-upper arm and hip circumferences
- Breastfeeding related changes in anthropometry not evident in women of Black ethnicity
Original publication
Breastfeeding behaviours in women with obesity; associations with weight retention and the serum metabolome: a secondary analysis of UPBEAT. Int J Obes (Lond). Published 24 July 2024. doi:10. 1038/ s41366-024-01576-6
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