Probiotic for Infants

"Inclusion Criteria" Inclusion Criteria for the pregnant person 1. Pregnant person above 18 years of age in gestational week 36+0-38+0 (at Visit 0) 2. Singleton pregnancy 3. Ability to read and speak Danish 4. Plan to breastfeed 5. Provided voluntary written informed consent. Inclusions Criteria for the newborn 1. Born at full-term ≥37+0 2. Birth weight ≥ 2500 g 3. APGAR score of ≥ 7 within the first 5 min of life. "Exclusion Criteria" Exclusion Criteria for the pregnant person 1. Pregnancy at 38 weeks + 0 or later at the time of recruitment 2. Pregnancy with significant fetal abnormality at ultrasound scan of the fetus at gestational age 19-20 weeks 3. Alcohol or drug abuse 4. Plan to give birth at other hospitals than Copenhagen University Hospital Hvidovre 5. Pregnant person with any contraindications for breastfeeding. Exclusion Criteria for the newborn 1. Congenital disorders that could affect their safety or the study outcome 2. Admission to Neonatal Intensive Care Unit for more than 24 hours 3. Participation in another clinical intervention study which can interfere with this probiotic intervention 4. Probiotics other than the study product.