“…Therefore, the best way is to conduct analysis during at least two or three stages of lactation (Uemura et al 2008 ; Wang et al 2008 ). Analysis of environmental pollutions in women’s milk has been conducted by many researchers from the whole world, and in the most cases they focused on specific areas of the following states: Sweden (Lignell et al 2013 ), Spain (Schuhmacher et al 2007 ), the Czech Republic (Bencko et al 2004 ; Černá et al 2010 ), Hungary (Vigh et al 2013 ), Slovakia (Čechová et al 2017 ; Chovancová et al 2011 ), Russia (Mamontova et al 2017 ; Polder et al 2008 ), Ireland (Pratt et al 2012 ), Poland (Szywrińska and Lulek 2007 ; Škrbić et al 2010 ), Greece (Costopoulou et al 2006 ), Tunisia (Hassine et al 2012 ), Canada (Ryan and Rawn 2014 ), and China (Deng et al 2012 ; Zhang et al 2016 ; Zhang et al 2017 ), Ghana (Asamoah et al 2018 ), Netherlands, Norway (Čechová et al 2017 ), The Republic of Moldova (Tirisina et al 2017 ), France, Denmark, Finland (Antignac et al 2016 ), Croatia (Klinčić et al 2016 ). Generally, the number of published papers between 1979 and 2017 (searching in Scopus database; using keywords as “polychlorinated biphenyls,” “breast milk,” “human milk,” and “monitoring”) are 169, which include documents by country USA (38), Japan (20), Germany (19), Sweden (15), and China (13) (top five) (Scopus database, 8.04.2018).…”