The preventive and therapeutic effects of probiotics on mastitis: A systematic review and meta-analysis.

For those with mastitis, women taking probiotics had a lower incidence of breast pain, although the analysis did not reach statistical significance (RR: 0.81, 95% CI: 0.64 to 1.01; I 2 = 50%, p = 0.07) ( Fig 5 ).

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Of these, two studies showed highly significant reduction in milk somatic cell count in two studies of healthy woman and five studies of mastitis patients.

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