Vaginal Probiotics During Pregnancy After Premature (24-32 Weeks of Gestation) Preterm Rupture of Membranes

Inclusion Criteria: * women ≥ 18 years of age; * mono-fetal pregnancy; * treated for PPROM between 24 and 32 weeks of gestation with latency period between 12 hours and \< 7 days in one of the study centers with expectant management; * speaking and able to read French or English. Exclusion Criteria: * Presence of active labor; * Situation contraindicating expectant management (e.g., infection); * Significant malformation, chromosomal anomaly, or fetal death; * Signs of fetal distress; * Allergy or intolerance to any of the following substances: vitamin C (ascorbic acid), magnesium stearate, maltodextrin, gelatin, yeast, sucrose, trehalose; * Allergy to soy or lactose; * Weakened immune system (e.g., AIDS, prolonged corticosteroid treatment, etc.); * Vaginal probiotics intake 15 days before study inclusion; * Oral probiotic intake 30 days before study inclusion.