Maternal exposure to fine particulate matter over the first trimester and umbilical cord insertion abnormalities.
Takehiro MichikawaSeiich MorokumaYuki TakedaShin YamazakiKazushige NakaharaAkinori TakamiAyako YoshinoSeiji SugataShinji SaitoJunya HoshiKiyoko KatoHiroshi NittaYuji NishiwakiPublished in: International journal of epidemiology (2021)
Exposure to total PM2.5 and some of its components over the first trimester increased the likelihood of abnormal cord insertion.