Postpartum depression may flag future heart, diabetes and kidney risk

Clinical takeaway: Include postnatal depression and complications from all prior pregnancies when assessing postpartum cardiometabolic and kidney risk; consider targeted surveillance for hypertension, diabetes, cardiovascular disease, and chronic kidney disease in women with an adverse pregnancy history.

Gestational diabetes and hypertensive disorders of pregnancy are established markers of later cardiometabolic risk, but less is known about other complications or events in earlier pregnancies. This large English cohort suggests that postnatal depression, pregnancy loss, preterm birth, placental abruption, and abnormal fetal growth may also provide clinically relevant risk information.

Investigators analyzed records from 1,432,795 women aged 15 to 49 years in the UK Clinical Practice Research Datalink, with median follow-up of about 4.1 to 4.3 years. During follow-up, 3.5% developed hypertension, 1.5% type 2 diabetes, 1.1% cardiovascular disease, and 0.4% chronic kidney disease.

Postnatal depression after the most recent pregnancy was associated with a 56% higher rate of cardiovascular disease, 41% higher rate of type 2 diabetes, 36% higher rate of hypertension, and 35% higher rate of chronic kidney disease versus no history of postnatal depression. A prior history of postnatal depression was also associated with higher rates of all four outcomes, including 43% higher cardiovascular disease risk and 34% higher chronic kidney disease risk.

Other findings confirmed strong associations for gestational diabetes and hypertensive pregnancy disorders, while miscarriage, stillbirth, preterm birth, placental abruption, and small- or large-for-gestational-age births were linked to at least one later cardiometabolic-renal outcome. Because the study was observational, the authors emphasized that these complications should be viewed as risk markers rather than causes.

“These findings support obtaining a full reproductive history and using the postpartum period as an opportune time for risk assessment and preventive cardioprotective strategies,” the authors concluded.

Source: Wambua S, et al. (2026 Oct 6) BMJ Med. Pregnancy complications and risk of cardiometabolic-renal conditions in 1.4 million women in England: longitudinal study