Eligibility Criteria:
Inclusion criteria
* Women aged 18 years or older in their first or early second trimester of pregnancy (13-17 weeks of gestational age \[GA\]), living in defined geographical areas of Bangladesh (Matlab), Pakistan, Zambia, and Burkina Faso, where it can be assumed that environmental enteropathy is prevalent
* Presence of any 2 out of 11 selected bacterial pathogen targets (Aeromonas, Campylobacter coli, Campylobacter jejuni, Campylobacter Pan, Enteroaggregative Escherichia coli, Enteropathogenic Escherichia coli, Enterotoxigenic Escherichia coli, Plesiomonas, Shigella\_EIEC, Salmonella and Klebsiella pneumoniae in fecal samples measured by TAC-qPCR.
* Presence of any of the following WASH conditions -
1. use surface water, unimproved water, or limited water for drinking; OR
2. use surface water, unimproved water, or limited water for cooking; OR
3. use surface water, unimproved water, or limited water for washing utensils; OR
4. practice open defecation, use unimproved sanitation (toilet facility), or limited sanitation (toilet facility); OR
5. lack facility or have limited facility for handwashing
Exclusion criteria
Potential participants will not be enrolled if they:
* have MUAC ≥30 cm
* are carrying more than one fetus (i.e., multiple pregnancy)
* have diarrhea, defined as the passage of three or more loose stools per 24 hours, or have had diarrhea in the preceding 14 days
* have fever or an active infection
* have taken antibiotics or probiotics in the preceding 14 days
* have taken steroids or non-steroidal anti-inflammatory drugs in the preceding 14 days
* have severe anemia as determined using finger stick Hb \< 8 g/dl
* have a history of chronic digestive disease
* have any gastrointestinal contraindication to ingestion of a capsule (known or suspected gastrointestinal obstruction, stricture, fistula, gastroparesis, or any swallowing disorder)
* have known immunocompromised status (known history of HIV infection, autoimmune disease, diabetes mellitus, etc.)
* have known drug hypersensitivity/allergy/intolerance
* have chronic disease or any other illness or condition which in the opinion of the investigator will complicate the assessment of safety or efficacy
* are medically disqualified: Any potential participant who is deemed medically unfit for trial enrollment by a non-study healthcare provider, due to the presence of severe or unstable health conditions that could compromise safety or interfere with the study outcomes, will be excluded from participation
* have a plan to observe fast any time during the intervention period
* have a plan to leave the study area within the follow-up period
* are participating in any other interventional trial
* belong to a household from which another woman is already enrolled in the study
* but may be enrolled if/when these disqualifiers have expired.