Sexually transmitted infections and preterm birth among Indigenous women of the Northern Territory, Australia: A case-control study.

The incidence of both sexually transmitted infection (STI) and preterm birth is high among Indigenous women in the Northern Territory, Australia. It was hypothesised that these factors are linked. To analyse whether antenatal STI is associated with preterm birth among Northern Territory Indigenous women. A retrospective case-control study was conducted at a tertiary maternity hospital in the Northern Territory. Rates of STI among pregnant Indigenous women were compared between cases (singleton births at