Results
Of 50 included participants, 49 received the intervention and were included in intent-to-treat analyses; of these, 39 (80%) were female, and the mean (SD) age was 31.7 (9.8) years. A total of 24 were randomized to probiotic and 25 to placebo. Three further participants in the placebo group dropped out, resulting in 46 completers and an attrition rate of 8%. Two participants commenced antibiotics and were included in the ITT analysis but not PP analysis (eFigure 1 in Participant characteristics are in 