SUBSCRIBERDunedinContaminated water sources may be contributing to fertility issuesUniversity of Otago physiology researcher and InsituGen chief scientific officer Prof Alison Heather. Photo: SuppliedJohn LewisTuesday, September 22, 2026Updated, Tuesday, September 22, 2026SHAREfacebooktwitterwhatsappemaillinkedinfacebooktwitterwhatsappemaillinkedinPHOTO