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New statement summarizes the intergenerational impact of prepregnancy heart health

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Preventing heart disease starts much earlier than you may realize, according to a new American Heart Association scientific statement published today in a Go Red For Women spotlight issue of the journal Circulation.

The statement, "Optimizing Prepregnancy Cardiovascular Health to Improve Outcomes in Pregnant and Postpartum Individuals and Their Offspring," summarizes the available data connecting a woman's heart health—including the physical, environmental and cognitive experiences in childhood and young adulthood—to the health of the children born to her. It also highlights the need for more research and for interventions to support improving women's heart health throughout life.

"The that contribute to adverse outcomes begin before a person is pregnant," said Sadiya S. Khan, M.D., M.Sc., FAHA, chair of the scientific statement writing group and an assistant professor of medicine (cardiology) and preventive medicine (epidemiology) at Northwestern University's Feinberg School of Medicine in Chicago. "Therefore, it is necessary to focus on optimizing cardiovascular health before pregnancy. The data indicate cardiovascular health has an intergenerational relationship. The time prior to pregnancy is a critical life stage that affects the health of the person who becomes pregnant, and the children born to them."

The status of prepregnancy health

The key factors to measure cardiovascular health are based on the American Heart Association's Life's Essential 8, which includes a heart-healthy diet, regular physical activity, not smoking; healthy weight, , blood cholesterol, and blood sugar; and healthy sleep. Using Life's Essential 8 to assess cardiovascular health in the Unites States, researchers found that just 1 in 5 people in the U.S. ages 2 and older have optimal cardiovascular health.

Low levels of pre-pregnancy cardiovascular health are associated with several , such as preterm birth, gestational diabetes, , preeclampsia or giving birth to an infant who is small for gestational age. These pregnancy complications are also linked to higher risk for among the offspring, according to the latest research:

  • Being born preterm is associated with a 53% higher risk for by age 43.
  • Having Type 2 diabetes before becoming pregnant is associated with a 39% higher risk of cardiovascular disease among offspring by age 40.

Critical research gap

Despite the evidence linking an individual's pre-pregnancy health to their offspring's health, there are no large trials with enough people and data to test whether improving overall cardiovascular health before pregnancy will reduce pregnancy complications, pregnancy-related cardiovascular death or cardiovascular risk for offspring.

"If a research trial focused on cardiovascular health before pregnancy successfully reduced pregnancy complications and improved the mother's and child's cardiovascular health, it could be practice-changing," Khan said.

Future research direction

New studies to address the research gap in maternal cardiovascular health must be carefully planned to include people from diverse racial and ethnic backgrounds who are underrepresented in clinical trials. The incidence of pregnancy complications and cardiovascular disease is disproportionately higher among people from diverse racial and , and this needs to be better understood.

The statement also suggests that research on preventing or treating cardiovascular disease should investigate lifestyle changes like heart-healthy diet and physical activity in pregnant individuals, as well as strategies with medications known to be safe during pregnancy.

Psychological health, stress and resilience also need to be considered in optimizing cardiovascular health. Importantly, interventions are needed for women from groups who have been historically excluded from public health and research that are sensitive to the psychosocial stress of racial discrimination. Research shows that long-term stressors like continuing episodes of discrimination are associated with unfavorable cardiovascular health and a higher risk of pregnancy complications. Culturally responsive stress reduction and mindfulness-based interventions may offer a means to buffer stress from these lived experiences.

Community and policy

Community-based interventions are crucial to improving health equity among all individuals before pregnancy, especially for people from historically marginalized races and ethnicities who often face multiple barriers to optimal health. In addition, the influence of structural and social determinants of health requires interventions that change society more broadly, such as policies affecting health systems, education, income, housing and food supply.

"There is substantial opportunity to improve health across the life course and for multiple generations by improving pre-pregnancy cardiovascular health. However, the responsibility is one that should be embraced by all of us, not placed solely on individual women," Khan said. "The pre-pregnancy period offers a unique window of opportunity to equitably address the increased incidence of adverse pregnancy outcomes, and to interrupt and improve the intergenerational relationship of poor cardiovascular health by focusing on individual-, community- and policy-level solutions.

More information: Optimizing prepregnancy cardiovascular health to improve outcomes in pregnant and postpartum individuals and offspring: A scientific statement from the American Heart Association, Circulation (2023). DOI: 10.1161/CIR.0000000000001124

Journal information: Circulation

Citation: New statement summarizes the intergenerational impact of prepregnancy heart health (2023, February 13) retrieved 30 May 2023 from
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