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Metformin’s Multifaceted Benefits in Pregnancy and Longevity – Fertility Plus
Fertility Plus/LinkedIn
Jan 18, 2026, 02:21

Metformin’s Multifaceted Benefits in Pregnancy and Longevity – Fertility Plus

Fertility Plus shared a post on LinkedIn:

“Metformin is emerging as a true ‘aspirin of the 21st century’. Originally a type 2 diabetes drug, it now sits at the crossroads of gestational diabetes care, preeclampsia prevention, oncology, and healthy ageing.

Mechanistically, metformin inhibits mitochondrial complex I, activates AMPK, and suppresses mTOR, leading to reduced insulin resistance, lower glucose output, dampened inflammation, and decreased angiogenesis (e.g., VEGF signalling). These pathways are central not only to metabolic disease but also to placental dysfunction and tumor biology.​

Clinically, meta-analyses indicate that in gestational diabetes, metformin provides glycemic control comparable to insulin, often with less gestational weight gain and fewer neonatal hypoglycemia or macrosomia events. A key RCT in obese pregnancy did not reduce large-for-gestational-age infants (primary outcome) but did reduce preeclampsia rates, suggesting vascular benefits beyond glucose control.​

Observational cohorts link metformin use to lower cancer incidence and improved survival, and ageing studies connect it to improved longevity markers, though definitive randomized evidence is still in progress.​

For clinicians, researchers, and policymakers, the question is shifting from ‘Does metformin only treat diabetes?; to ‘Where else should we be using it—cautiously and strategically?’

How are you currently integrating metformin into pregnancy, oncology, or cardiometabolic pathways in your practice or research? Let’s discuss!

Metformin, Diabetes Care, Oncology, Healthy Aging, Gestational Diabetes, Preeclampsia, Research Discussion

Romero R. Metformin, the aspirin of the 21st century: its role in gestational diabetes mellitus, prevention of preeclampsia and cancer, and the promotion of longevity. American Journal of Obstetrics and Gynecology. 2017;217(3):282–302

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