DURBAN, South Africa, May 9 (UPI) -- Mothers-to-be who have influenza during pregnancy may increase the risk of bipolar disorder in their offspring, researchers in South Africa said.
Raveen Parboosing of Albert Luthuli Central Hospital in Durban, South Africa, and colleagues used the Child Health and Development Study, Kaiser Permanente and county healthcare databases, which included 92 confirmed cases of bipolar disorder confirmed 214 study participants and 722 control participants.