Recent research from Australia published in The Lancet Regional Health – Western Pacific has found significant links between common sexually transmitted infections (STIs) during pregnancy and increased risks of serious birth complications—including preterm birth, stillbirth, and babies born small for their gestational age.

The study, which analyzed nearly 60,000 singleton births from 2005 to 2020 in Australia’s Northern Territory, found alarming associations between maternal infections and neonatal outcomes:

• Congenital syphilis was linked to a more than threefold risk of preterm birth and a twofold risk of small-for-gestational age births.
• Chlamydia, gonorrhea, and trichomoniasis were also associated with higher risks of delivering small-for-gestational-age babies.
• Gonorrhea, specifically, was linked to nearly double the risk of stillbirth.
• Trichomoniasis was connected with a 23% increased risk of preterm birth.

Lead author Dr. Jennifer Dunne emphasized that, “Many of these infections are common, preventable and treatable—we just need to catch them in time.” While routine STI screening typically occurs early in pregnancy, this study supports the need for additional testing later in pregnancy, especially in higher-risk populations or underserved areas.

At Orléans Family Health Clinic, we echo the study’s conclusion: STI prevention, screening, and treatment are vital parts of prenatal care. We advocate for a biopsychosocial approach that includes education, routine testing, and culturally sensitive care—particularly for vulnerable populations.

If you are pregnant or planning to conceive, talk to your primary care provider about STI screening and ongoing sexual health assessments throughout your pregnancy. Timely intervention could make all the difference in supporting a healthy pregnancy and birth outcome.

🩺 Our team is here to help. Book a consultation to learn more about STI prevention, prenatal health, and family planning services.

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