CONTEXT:

Breastfeeding duration and exclusivity among Latinas fall below recommended levels, indicating a need for targeted interventions. The effectiveness of clinical breastfeeding interventions for Latinas remains unclear.

OBJECTIVE:

To systematically review the documented effectiveness of clinical breastfeeding interventions on any and exclusive breastfeeding among Latinas.

DATA SOURCES:

English-language publications in Medline, CINAHL, and Embase were searched through May 28, 2015.

STUDY SELECTION:

Fourteen prospective, controlled studies describing 17 interventions met inclusion criteria.

DATA EXTRACTION:

Extracted study characteristics include study design, population characteristics, intervention components, timing and intensity of delivery, provider type, control procedures, and outcome measures.

RESULTS:

Random-effects meta-analyses estimated risk differences (RDs) between breastfeeding mothers in intervention and control arms of each study and 95% prediction intervals (PIs) within which 95% of intervals cover the true value estimated by a future study. Interventions increased any breastfeeding at 1 to 3 and 4 to 6 months (RD 0.04 [95% PI −0.15 to 0.23] and 0.08 [−0.08 to 0.25], respectively) and exclusive breastfeeding at 1 to 3 and 4 to 6 months (0.04 [−0.09 to 0.18] and 0.01 [−0.01 to 0.02]). Funnel plot asymmetry suggested publication bias for initiation and 1- to 3-month any breastfeeding. Estimates were slightly larger among interventions with prenatal and postpartum components, 3 to 6 patient contacts, and delivery by an International Board Certified Lactation Consultant or lay provider.

LIMITATIONS:

The published evidence for Latinas is limited, and studies have varying methodologic rigor.

CONCLUSIONS:

Breastfeeding interventions targeting Latinas increased any and exclusive breastfeeding compared with usual care.

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