Inclusion Criteria:  Women with10-20 weeks gestation Women give voluntary informed consent Women willing to give exclusive breastfeeding Women live in an area under study, registered, and visit antenatal care at targeted public health centers Women plan to deliver babies in the area under study  Exclusion Criteria:  Women having a medical history of HIV/AIDS, TBC, Hepatitis B. Women with multiple pregnancies Women having obesity, and/or another high-risk pregnancy (hypertension, preeclampsia, diabetes, bleeding history) Received antibiotic treatment or intentionally consumes probiotic products during the preceding 4 weeks. (If the subject was on antibiotics before the beginning of the study or probiotics, a washout period of 2 weeks is required.)