Twin delivery

Twin delivery has no effect on lifespan in humans.

“The life spans of the mothers of twins and singletons did not differ in matched samples.”

Humansmothers of twins compared with mothers of singletons in matched samplesfemales

Mothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohorts

Human reproduction (Oxford, England)·28 Jul 2024

Twin delivery has no effect on lifetime post-partum mortality risk in humans (OR 1.38, 95% CI 0.91–1.98).

“the lifetime post-partum mortality risk for mothers of twins (0.51%; 28/5557) and singletons (0.37%; 438/119 466) did not differ significantly”

Humansmothers of twins compared with mothers of singletonslifetimefemales

Mothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohorts

Human reproduction (Oxford, England)·28 Jul 2024

Twin delivery is associated with old-age survival in humans.

“Past the 67th lifespan percentile, the odds of survival were significantly higher for mothers of twins than mothers of singletons”

Humansmothers of twins compared with mothers of singletonsfemales

Mothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohorts

Human reproduction (Oxford, England)·28 Jul 2024

Twin delivery is associated with post-partum maternal mortality in humans (OR 2.05, 95% CI 1.21–3.23).

“Twin deliveries were associated with higher post-partum maternal mortality than singleton deliveries”

Humanstwin deliveries compared with singleton deliveriesyear after giving birthfemales

Mothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohorts

Human reproduction (Oxford, England)·28 Jul 2024