Cluster 39: excluded pregnant women study patients men breastfeeding participating studied trial 
Cluster 534: breastfeeding discontinued excluded pregnant women participants mother lactating study treated 
Cluster 977: mother discontinued breastfeeding agent study excluded pregnant women treated discontinuation 
Cluster 1572: milk stored future mother breastfeeding note pregnant breast treated use 
Cluster 2074: mother breastfeeding discontinued pregnant treated women excluded study agents apply 
Cluster 2104: breastfeeding women excluded pregnant discontinued study prior nursing avoided treatment 
Cluster 2321: nursing pregnancy infant mother donor patients females active women excluded