Up to 16% of pregnant women experience depressive symptoms (Dunkel Schetter & Tanner, 2012) and 14% experience anxiety (Henderson & Redshaw, 2013); these rates are higher for women of racial and ethnic minorities, 17% and 19% respectively (Katz, Crean, Cerulli, & Poleshuck, 2018). Rates of depression and anxiety vary between minority groups (Chang, Tabet, Elder, Kiel, & Flick, 2016). For example, up to 54% of Latinas and up to 28% of Black women have been found to experience perinatal depression in the United States (Lara-Cinisomo, Clark, & Wood, 2018).
All pregnant women naturally experience some reluctance in deciding to access mental health care because they are not sure what is a "normal" experience during pregnancy or at what point their depression or anxiety should be a concern (Kingston et al., 2015). For minority women, this concern about what is normal in pregnancy is coupled with socioeconomic barriers, such as poverty and decreased access to resources, along with racism, trauma, and cultural barriers, all of which make it more difficult for minority women to receive mental health care in pregnancy (Coburn et al., 2018; Segre, Brock, & O'Hara, 2015).
Pregnant women report that some of the greatest barriers to receiving mental health care include lack of time, stigma, and childcare issues (Fonseca, Gorayeb, & Canavarro, 2015). The mental health diagnosis and treatment of women of racial and ethnic minorities, especially impoverished immigrant women, are negatively influenced by stigma (Lara-Cinisomo et al., 2018). A shortage of mental health providers, lack of continuity of care, and lack of follow-up with screening tools are all perceived as barriers to accessing adequate mental health care by pregnant women (Da Costa, Zelkowitz, Nguyen, & Deville-Stoetzel, 2018; Yu & Sampson, 2016).
The U.S. Preventive Services Task Force (USPSTF) recommends collaborative care, linking mental health care with primary health and obstetric care (Siu et al., 2016), which is especially important for women of ethnic minorities who are less likely to initiate mental health care (Da Costa et al., 2018). Additional recommendations to decrease barriers to accessing mental health care include building healthcare systems in which trusting relationships are fostered; teaching women about the expected and unexpected emotional changes in pregnancy; and screening followed by opportunities to receive evidence-based care (Fonseca et al., 2015).
Provision of perinatal mental health services is particularly important for women who are ethnic and racial minorities as they are at greater risk of poorer pregnancy outcomes, including up to a 50% greater risk of having a low birthweight baby and up to a 20% greater risk of having a preterm or small for gestational age baby (Borrell, Rodriguez-Alvarez, Savitz, & Baquero, 2016). Regardless of the specific type of mental health problem experienced during pregnancy, a mother's poor mental health increases the likelihood that her child will have problems as a school-age child, including global development concerns, behavior problems, and diminished socio-emotional development (Kingston & Tough, 2014).
Anxiety and depressive symptoms are both seen as part of perinatal mood disorders. However, there is more research focusing on the outcomes of depression than anxiety. Prenatal anxiety has been related to poorer maternal health outcomes in the early postpartum period (Henderson & Redshaw, 2013) and to poorer infant temperament (Henrichs et al., 2009).
Prenatal depression may or may not be related to preterm labor (Gentile, 2017), but it is associated with shorter breastfeeding duration (Figueiredo, Canario, & Field, 2014). Infants of depressed mothers are more likely to have a low birthweight (Flynn, McBride, Cely, Wang, & DeCesare, 2015) and are susceptible to developing several health concerns such as rash, vomiting, and diarrhea (Coburn et al., 2018). Pregnant women who are depressed are more likely to be exhausted and to experience migraines and incontinence (Perlen, Woolhouse, Gartland, & Brown, 2013). They are also at increased risk of chronic health complications, such as hypertension and diabetes (Cox, Sowa, Meltzer-Brody, & Gaynes, 2016).
Screening
The first step in improving prenatal mental health is to screen women for depression and anxiety. For example, the USPSTF recommends screening for depression in all adults, including pregnant and postpartum women, to identify, diagnose, and treat those with depression or depressive symptoms (Siu et al., 2016). The American College of Obstetricians and Gynecologists (ACOG, 2018) has endorsed this recommendation and eight states have mandatory screening laws (New Jersey, California, Oregon, Texas, Vermont, West Virginia, Illinois, and Massachusetts), whereas four have healthcare policies that address peripartum mental health (Maine, Minnesota, Virginia, and New York) (Selix & Goyal, 2018). Since the mandatory screening law was passed in New Jersey, 67% of pregnant women in that state report having been screened for depression by their prenatal care provider with 90% of those women being screened at the time of hospital birth (Farr, Denk, Dahms, & Dietz, 2014).
Mental health screening presents minimal risk to maternal health (Cox et al., 2016). The Association of Women's Health, Obstetric and Neonatal Nurses (AWHONN, 2015) supports routine screening for all pregnant and postpartum women so that early intervention strategies can be implemented. ACOG endorses screening even when treatment is not available, as screening itself might help women to have more self-knowledge (ACOG, 2018). However, universal screening is still not the norm and it is inadequately reimbursed. Further, there are no consequences to healthcare sites if screening does not occur.
Improvements in screening rates do not always lead to improvements in treatment rates; a recent study noted that only 8.6% of women identified with antenatal depression received adequate treatment (Cox et al., 2016). Providers most commonly cite inadequate time as a barrier for providing treatment to women who present with perinatal depression. Other barriers to treatment faced by providers include inadequate services or resources, cost and reimbursement concerns, and lack of knowledge or skills (Price, Corder-Mabe, & Austin, 2012).
System-wide barriers to the provision of adequate treatment include the lack of a national system designed to monitor peripartum mental health screening and inadequate funding for mental health treatment during the peripartal period (Kozhimannil, Adams, Soumerai, Busch, & Huskamp, 2011).
Tools for Screening
The tools commonly used for screening of perinatal depression all have well-established validity and reliability and been found to be useful in clinical practice. ACOG supports the use of the Edinburgh Postnatal Depression Scale (EPDS) as a depression screening tool in pregnant women because of its brevity, readability, and scoring ease (ACOG, 2018). The EPDS also has the benefit of identifying women at immediate risk for self-harm. It has been translated to more than 50 languages and includes items that screen for anxiety symptoms (ACOG). Other screening tools, such as The Patient Health Questionnaire 9 (PHQ-9), the Beck Depression Inventory (BDI), and the Center for Epidemiologic Studies Depression Scale (CESD), are also used with varying degrees of specificity (ACOG).
Traditional Interventions to Improve Mental Health in Pregnancy
A number of interventions have been studied and shown to be useful with pregnant women. Although there are emerging interventions (nutrition, practicing good sleep hygiene, and exercise), further research needs to be conducted to ensure that these interventions are acceptable to pregnant women.
Pharmacologic Treatment
One intervention that has a long history is pharmacologic treatment of anxiety or depression. Although pharmacologic treatment may be effective for some women, many prefer not to use antidepressant medication during pregnancy due to fears of harming the fetus (Battle, Salisbury, Schofield, & Ortiz-Hernandez, 2013). Only about 5% to 13% of pregnant women choose to continue taking their antidepressant during pregnancy (Hanley & Oberlander, 2014). Antidepressant medications are known to pass through the placenta (Chaudron, 2013). Newborns exposed to antidepressants have greater irritability and poorer psychomotor development outcomes compared with those without exposure (Previti, Pawlby, Chowdhury, Aguglia, & Pariante, 2014). Pregnant women may prefer nonpharmacological treatments such as cognitive behavioral therapy (CBT) and interpersonal psychotherapy (IPT), which have consistently been found to be successful in decreasing depression (almost a 40% decrease identified throughout over 20 studies) (USPSTF, 2019).
Cognitive Behavioral Therapy
Cognitive behavioral therapy is widely considered to be an effective treatment for depression and anxiety in pregnant women (USPSTF, 2019). This approach to mental health treatment is based on the idea that dysfunctional thought patterns lead to negative feelings and unhealthy behaviors.
Cognitive behavioral therapy works to help individuals reinterpret stressful events or interactions in their lives. The ABCs are learned in CBT; individuals are taught to monitor for Activating or stressful events that trigger a negative Belief or thought, which is then stopped and turned into a positive belief so that one experiences less negative Consequences (i.e., negative emotions such as depression or anxiety). By altering the way people think, CBT helps to modify how they feel and support healthier behaviors (Butler, Chapman, Forman, & Beck, 2006). Homework is an important component of CBT so that individuals can put into practice the content they are learning so it becomes their standard way of thinking. In contrast, other types of treatments may focus only on behavior and do not target cognition for treatment (Butler et al.). In addition to focusing on creating more functional thought patterns, CBT-based programs have also supported the development of problem-solving skills and goal-setting for positive health behaviors such as eating healthy meals and engaging in physical activity (Mazurek Melnyk, Kelly, & Lusk, 2014).
Cognitive behavioral therapy, although effective, involves attending multiple sessions. Many studies evaluating the effectiveness of CBT in pregnant women have experienced high rates of attrition (Jesse et al., 2015; USPSTF, 2019). One promising strategy for delivering CBT to minority women is to include it in standard group prenatal care (Gennaro & Melnyk, 2017).
Interpersonal Psychotherapy
Interpersonal psychotherapy aims to improve individuals' relationships with others and to help individuals cope with life changes such as preparing for motherhood or losing a loved one (Genovez, Vanderkruik, Lemon, & Dimidjian, 2018). An IPT-based program, culturally tailored for low-income African-American pregnant women (Grote et al., 2009), significantly reduced depression in that population. However, the number of sessions was a barrier to lower-income women who attended fewer sessions than higher-income women (Lenze & Potts, 2017).
Both IPT and CBT are typically provided by psychologists, psychiatric nurse practitioners, and mental health therapists with graduate-level training; the high level of training required may limit the number of providers available in a given area. However, studies have shown that when CBT is manualized, it can be delivered in individual and group format by healthcare providers and other professionals without a mental health specialty degree after a training workshop, with positive effects on depression and anxiety over time (Hart Abney, Lusk, Hovermale, & Melnyk, 2019; Mazurek Melnyk et al., 2014).
Nontraditional Interventions to Improve Mental Health During Pregnancy
Mindfulness-Based Interventions
Mindfulness-based interventions are a relatively new approach to the treatment of prenatal depression. They have been shown to be effective for anxiety. The practice of mindfulness involves being attentive to one's thoughts, feelings, and physical sensations without judgment, and developing tolerance for stress (Dhillon, Sparkes, & Duarte, 2017). The two most common interventions are mindfulness-based stress reduction and mindfulness-based cognitive therapy (Lever Taylor, Cavanagh, & Strauss, 2016). Most interventions are group-based and are often led by psychologists, social workers, or meditation teachers with specific training in mindfulness (Dhillon et al.).
Although a recent systematic review concludes that interventions focused on mindfulness may reduce depression and anxiety levels in prenatal women, nearly all of the studies were based on samples of Caucasian women (Matvienko-Sikar, Lee, Murphy, & Murphy, 2016). One study focused on pregnant African-American women found that an 8-week mindfulness-based stress reduction intervention called Mindful Motherhood reduced stress related to pregnancy and depression symptoms 1 month after the treatment ended (Zhang & Eugene, 2015). However, the study suffered from a high level of attrition, with only a small number of participants attending all of the sessions.
Implications for Nursing Practice
All women should be screened for depression at some point during pregnancy (Siu et al., 2016). Establishing a protocol for screening women while pregnant is a necessary first step. Although there is minimal evidence regarding optimal timing of screening (Siu et al.), a protocol for screening perinatal mood disorders might consider screening patients at entry to prenatal care, at any point during pregnancy based on clinician concern and clinical scenario, and at the time of the 6- to 8-week postpartum visit. No single screening tool for perinatal depression is consistently recommended, and as with all screening tests, a positive screen does not indicate a definitive diagnosis of depression and deserves a careful clinical evaluation. Using the EPDS, however, identifies women at high risk of self-harm and suicide ideation who can be referred for appropriate mental health assessment and care immediately (Milgrom & Gemmill, 2014).
Before screening for perinatal mood disorders is in place, management protocols for women at immediate risk of self-harm should be formulated. Available outpatient Behavioral Health and Psychiatric services and acute care services need to be identified. Every practice should establish a standardized approach for the individual who presents with a mental health emergency, which includes expression of suicidality. Staff and provider training is essential-the majority of outpatient prenatal practices do not have a social worker on-call for psychosocial assessment and referral. Training such as Mental Health First Aid(C) regarding assessment and de-escalation would provide essential skills for any perinatal care setting as would plans for referral to the acute care setting.
For individuals who express mental or behavioral health concerns, but who do not report or exhibit signs or symptoms necessitating emergent care, creating a standard approach for assessment and referral ensures a comprehensive plan. An assessment of staff and provider psychosocial assessment skills can be offered. Based on the results of the assessment, staff and provider training in psychosocial assessment skills can be created. Identifying and vetting a list of community resources for women who need or desire outpatient mental health care, talk therapy, peer support groups, or psychiatric care, who are not at immediate risk, will help facilitate timely, appropriate referrals. Optimally, an outpatient practice would seek out and foster linkages with the community resources, in order to ease the referral process and foster dialogue for feedback and coordination of care.
Ongoing patient education throughout the perinatal period is another important step as it helps women to understand what are normal physical, emotional, and cognitive adaptive changes in pregnancy, and that addressing mental and physical health are equally important. Discussing anticipated changes in mood and sleep patterns during pregnancy, for example, encourages further discussion about mental health concerns during pregnancy. Fostering an open dialogue through prenatal education helps to decrease the stigma surrounding mental health concerns, may encourage women to initiate conversations with trusted healthcare providers about specific concerns, and ensures discussion through the postpartum period.
Providers need to initiate one-on-one conversations with pregnant women about their mental health just as they would about their physical health. These conversations lessen stigma and encourage pregnant women to talk about all mental health concerns, not just anxiety and depression, and facilitate the initiation of treatment for all women in need.
Current research is investigating the potential benefits of providing CBT as part of prenatal care (Gennaro & Melnyk, 2017). This form of treatment is provided by midwives and advanced practice nurses, and has the advantage of being embedded in the obstetrical care giving system, which obviates the need for additional mental health workers in the obstetrical clinics. The provision of mental health care onsite, via co-located primary and behavioral health, or integrated care settings such as those where mental health services and support are integrated into prenatal/postpartum and pediatric care (Kozhimannil et al., 2011) may improve rates of early detection and treatment (Yu & Sampson, 2016). More rigorous, well-designed studies using samples of ethnically and racially diverse women are needed to help identify other successful interventions to improve mental health as an integral part of prenatal care.
Acknowledgment
This paper was supported by National Institute of Minority Health and Health Disparities of the National Institutes of Health under award number RO1MD012770 to Drs. Gennaro and Melnyk. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.
Implications for Practice
* All women should be screened for perinatal mood disorders, specifically anxiety and depression.
* A protocol for women who are at immediate risk for self-harm should be established within each facility.
* A standard approach for assessment and referral should be developed to ensure a comprehensive plan.
* Available community resources and networks, including peer support groups and psychiatric care settings, should be made available to healthcare providers conducting the screening and assessments to ease the referral process.
* Educating women about normal physical and emotional changes in pregnancy decreases stigma and fosters an open dialogue about mental health concerns during the perinatal period.
* Develop, research-based, behavioral health programs that promote physical and mental well-being during pregnancy.
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Perinatal Anxiety and Depression in Minority Women
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References