Clinical Research Directory

Adapting a Health at Every Size Intervention to Obstetric Care

Sponsor: University of Massachusetts, Worcester

Summary

Perinatal mental health disorders occur in 1 in 5 pregnancies and have significant negative intergenerational consequences including being the leading cause of overall and preventable mortality during pregnancy and the first year postpartum. Perinatal mental health disorders impact not only the individual but can also have adverse effects on immediate and long-term child and family wellbeing. Untreated mental health disorders in pregnancy are associated with preterm birth, low birth weight, impaired bonding and lead to issues with neonatal neurodevelopment. Interventions to prevent perinatal mental health disorders are of the utmost importance in helping to improve maternal and child health outcomes in the United States. In Massachusetts, almost a quarter of pregnant people have a BMI \>30 kg/m2. Rates of perinatal mental health disorders are higher among individuals with elevated body mass index (BMI) \> 30 kg/m2 compared to people with BMI \< 30 kg/m2. People with BMI \> 30 are 50% more likely to have antenatal depression, 40% more likely to have postpartum depression, and 25% more likely to develop postpartum anxiety compared to those with BMI \<30 kg/m2. The etiology for the increased risk for perinatal mental health disorders among persons with a higher BMI has not been extensively investigated. However, some postulate this could be due to an increase in the medicalization of pregnancy, along with complications for the birthing person or with fetal/neonatal health. Over the last few years, some researchers have begun to hypothesize that weight stigma may also play a significant role in the development of perinatal mental health disorders in this population. Weight stigma - the social rejection and devaluing of people who live in bodies which do not conform to the societal standards of weight - is associated with the development of depression among people with BMI \>30. Weight stigma has been demonstrated through many fields of healthcare. Many providers hold beliefs regarding people with elevated BMIs, including that they are lazy and unintelligent. Providers may also blame individuals for their medical complications and are less likely to offer them interventions including surgery. This leads to worse outcomes and people avoiding care. Additionally, external weight stigma can lead to weight bias internalization, where individuals accept and self-direct negative stereotypes toward themselves. Weight stigma leads to a cycle of internalized bias which is then compounded by traumatic experiences of stigmatization by healthcare providers. This may lead patients to avoid care and be at increased risk for adverse health outcomes (include adverse mental health outcomes). In fact, the American Association of Endocrinology recommends incorporating the experience of bias and stigmatization into the diagnosis and staging of obesity. Therefore, one could postulate that weight stigma and weight bias internalization likely contribute to the high prevalence of perinatal mental health conditions among individuals with elevated BMI. In order to combat weight stigma and weight bias internalization in people seeking healthcare, the Association for Size Diversity and Health created the Health at Every Size (HAES) intervention. HAES characterizes health as a continuum that is specific to the individual and varies with time and circumstance. HAES has five principles including weight inclusivity, health enhancement, eating for well-being, respectful care, and life enhancing movement. Previously studied HAES interventions consist of a number of group sessions led by trained clinicians that are based on these principles. The sessions range in topics from nutrition, physical activity, self-efficacy and acceptance in order to decrease internalization of weight bias. Previous data from the primary care literature demonstrates the efficacy of HAES interventions on improving overall well-being, decreasing rates of depression and other mental health disorder symptoms, and even in improving cardiovascular and lipid profiles. Despite these findings, HAES has not yet been adapted for use in an obstetric context despite the traditional model for prenatal care being highly focused on weight. Patients are weighed at each prenatal visit, and the amount of "appropriate" weight gain is calculated based on BMI. People with an elevated BMI receive extra laboratory testing, ultrasounds and fetal monitoring. This almost extreme perseverance on weight during pregnancy causes individuals in larger bodies to experience significant weight stigma during their prenatal care. Obstetric providers and perinatal people are interested in interventions to assist in the provision of sensitive care for people who experience weight stigma. This project aims to utilize patient and expert input to adapt a HAES intervention to an obstetric context (OB-HAES).

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