A woman’s health during pregnancy does not just affect those nine months. It can echo for decades. Recent research from Singapore has revealed a possible link between pregnancy hypertension and Alzheimer’s disease, highlighting how maternal health may shape long-term brain health.
The Study Behind the Link
Researchers examined a group of 743 midlife women in Singapore, most of them in their early 60s. Among them, 68 women had reported a history of hypertension during pregnancy. The study found that these women had higher levels of p-tau217, a blood biomarker strongly linked to Alzheimer’s disease.
This association remained significant even after accounting for other risk factors such as age, body mass index (BMI), kidney function, and genetics. In short, pregnancy hypertension emerged as an independent risk factor for Alzheimer’s-related brain changes.
How Pregnancy Hypertension Affects the Brain
Pregnancy hypertension is not just a short-term concern. In some cases, it can progress to more serious conditions such as preeclampsia or eclampsia. These conditions affect blood flow to the brain and may alter brain function and structure. Researchers suggest that such changes can increase the risk of cognitive decline decades later.
Factors That Heighten the Risk
While all women with pregnancy hypertension may face an increased risk, the study found the association was stronger among those who:
- Were older
- Had a low BMI (below 18.5)
- Had reduced kidney function
- Carried the APOE4 gene, which is linked to dementia
These combined factors may accelerate brain changes connected to Alzheimer’s disease.
Why This Matters for Mothers and Families
Pregnancy health is often viewed in the context of a mother’s immediate safety and her baby’s development. But this research shows that pregnancy history can shape long-term health outcomes for women, even decades later.
Doctors are encouraging more proactive monitoring for women with a history of hypertension in pregnancy. Early detection of cognitive decline could open the door to timely intervention and better care as women age.
The Takeaway
This Singapore study is the first to establish a direct connection between pregnancy hypertension and Alzheimer’s disease risk markers. The findings stress an important reminder: pregnancy care is not just about nine months of health. It can influence a woman’s wellbeing for the rest of her life.
For mums, daughters, and future parents, awareness is key. By understanding these risks early, families and healthcare providers can work together to protect brain health for years to come.
Originally published on theAsianparent Singapore
Liu J, et al. Pregnancy hypertension and Alzheimer’s risk in midlife women: Singapore cohort study. J Prev Alzheimers Dis. 2025
Cipolla MJ, Kraig RP. Preeclampsia and brain circulation. Am J Obstet Gynecol. 2022
Ashton NJ, et al. Plasma p-tau217 vs other Alzheimer’s markers. Alzheimers Dement. 2025
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