Authored by Michelle Ritter*
Abstract
Adolescent pregnancy rates in the United States (U.S.) have declined over the past few years. However, adolescent pregnancy remains an important public health issue in the U.S. Teen pregnancy continues to adversely affect the mom, infant, and community. Adolescent moms are more likely to engage in substance abuse, have lower socioeconomic status, and are more dependent on public assistance. Infants born to adolescent moms are more likely to suffer from health care issues such as low birth weight, neonatal death, and sudden infant death syndrome. Furthermore, adolescent pregnancy is estimated to cost US taxpayers 9 billion dollars each year. Despite the decline in the adolescent pregnancy rates, Healthy People 2020 identifies decreasing adolescent pregnancy as a priority in increasing the overall health and wellness of U.S. citizens. Epidemiologic studies can be used to identify adolescent pregnancy causal relationships, provide and understanding for these relationships, and recommend prevention options. Dever’s model is used to analyze how adolescent pregnancy is influenced by human biology, life-style, environment, and the health care system. Health care providers serve as advocates for adolescent health and play an integral role in the reduction of adolescent pregnancy. However, in order to provide evidence-based and holistic patient care, providers should be knowledgeable with issues surrounding adolescent pregnancy.
Introduction
Over the past 10 years, adolescent pregnancy rates have declined among all racial and ethnic groups in the Unites States (U.S.). Between 2004 and 2014 adolescent pregnancy rates decreased 50% for adolescents 15-17 years old, and 36% for adolescents 18-19 years old [1]. In 2014, the overall adolescent birth rate declined to a historic low of 24.2 per 1,000 births [2]. Ethical disparities are still evident, with adolescent birth rates higher among Hispanics and African Americans. Adolescent birth rates for 15-19-year old’s in 2014 were: 38.0 per 1,000 births for Hispanics. 35.9 per 1,000 births for African Americans; and 17.3 per 1,000 births for Caucasians [1]. Preliminary data for the adolescent birth rates for 2015 estimate yet another historic low. According the National Vital Statistics Report (2015) the adolescent birth rate for 15-19-year old’s is down to 22.3 per 1,000 births. Even with the decline in the adolescent pregnancy rates, adolescent pregnancies still account for 11% of the U.S. annual births to mothers ages 10-19 [3]. Furthermore, the U.S. continues to rank first among developing countries in adolescent pregnancy (United Nations Statistics Division, 2015). Adolescent pregnancy continues to be an issue in the U.S. and has been defined as a public health and social concern in Healthy People 2020. Adolescent pregnancy can lead to adverse effects on the adolescent mom, the infant, and society. The purpose of this paper is to provide a brief overview of the impact adolescent pregnancy can have on the mother, offspring, and community; to use Dever’s epidemiologic model to analyze adolescent pregnancy and how it is compacted by human biology, life-style, environment, and the health care system; and to discuss the role of health care providers in adolescent pregnancy.
Impact of Adolescent Pregnancy
Pregnant adolescent females are more likely to abuse substances such as alcohol or tobacco during pregnancy and are more prone to psychosocial mood disorders [4-6]. They are less likely to complete high school or get married, tend to be of lower socioeconomic status, and are more dependent on public assistance [U.S. Department of Health and Human Services Healthy People 2020, (HP), 2016]. Pregnant adolescents are less likely to receive prenatal care, take prenatal multivitamins, and maintain adequate nutrition during pregnancy [7]. Furthermore, adolescent pregnancy is associated with medical complications for the adolescent mother such as poor maternal weight gain, anemia, pregnancy induced hypertension, and preeclampsia [4,7].
In addition to adverse health outcomes for adolescent mothers, children born to adolescent moms have increased health risks, and are more likely to experience social and emotional problems. Infants born to adolescent moms have an increased risk of unfavorable health outcomes such as perinatal mortality, pre-term birth and low birth weight, and are more prone to neonatal death [8,7]. The infant mortality rate is 1.6 times greater in adolescent mothers ages 15 and younger [7]. Sudden infant death syndrome (SIDS) is more common in infants born to teen moms [9]. These infants are also less likely to benefit from breast feeding [10]. Additionally, children of adolescent mothers are more likely to experience abuse and neglect, and less likely to receive adequate nutrition, health care, and cognitive and social [10,11]. Male offspring of adolescent mothers are 13% more likely to be incarcerated later in life, and 22% of female offspring of adolescent mothers are more likely to become adolescent mothers themselves (Schuyler Center for Analysis and Advocacy [SCAA], 2008). Adolescent pregnancy raises health care costs and burdens society. Teen pregnancy can be associated with financial repercussions due to lost tax revenue, increased public assistance costs, and increased expenditure in public health care. U.S. taxpayers incur an estimated 9 billion dollars per year due to adolescent pregnancy expenses [12]. In New York, taxpayer costs associated with adolescent pregnancy are estimated to account for $421 million dollars of the state, federal and local funds (Schuyler Center for Analysis and Advocacy [SCAA], 2008).
Dever’s Model in Adolescent Pregnancy
Dever’s Epidemiologic model states a person’s health status is influenced by a combination of different factors [13]. The concepts of Dever’s model can be applied to adolescent pregnancy. Human biology, environmental factors, lifestyle factors, and health care system factors can contribute to risky adolescent sexual behaviors, which can consequently lead to pregnancy.
Human biology
Genetic inheritance, physiologic function, and maturation are subcategories of the Human Biology component in Dever’s Epidemiologic Model that contribute to risky sexual behavior in adolescents. Genetic inheritance can play a role in teen pregnancy. African American and Hispanic adolescent females have the highest number of pregnancies among the different ethnic groups [1]. African American and Hispanic teens also report earlier age of coital initiation [14]. Puberty is a physiologic change occurring during adolescences which contributes to risky sexual behavior. The sudden influx of hormones may lead to increased sexual inclination and experimentation. Additionally, early onset of puberty in females has been linked to early sexual experimentation [15]. Maturation is another component of human biology in Dever’s model, and an adolescent’s maturation level also influences sexual behaviors. According to Erickson’s developmental stages, adolescents are in the Identity versus Role Confusion stage [16]. They are very impressionable, and behavior is highly influenced by peers and media. Adolescents are cognitively immature and often do not connect a coital act with the consequence of pregnancy.
Environmental factors
Physical, psychological, and social environmental factors also contribute to risky sexual practices. A physical factor associated with sexual activity is the adolescents’ home environment. Over 50 percent of children are raised in single parent households, leading to inadequate parental supervision and societal acceptance of single parenthood [17]. A lack of parental supervision and support increases the risk of sexual behavior [17]. Psychological factors such as low self-esteem and depression may also contribute to risky sexual practices [7]. Adolescent females with low self-esteem may seek unhealthy relationships and partake in unsafe sexual activity in order to increase their sense of self-worth. Recent research studies suggest a past history of childhood abuse has been linked with adolescent pregnancy [18]. Furthermore, social factors such as poverty and lower socioeconomic status are associated with adolescent pregnancy. African American and Hispanic females from lower socioeconomic status account for the higher rates of unplanned teen pregnancies. Data has shown the birth rate of poor adolescents 15-19 years is 10 times greater than the birth rate of higher socioeconomic adolescents [14].
Lifestyle factors
Consistent with Dever’s belief that lifestyle factors play the predominant role in determining a person’s health risks, there are many lifestyle factors that contribute to risky sexual behaviors in teens. Frequency of sexual activity, early sexual debut, and nonuse or misuses of contraceptive methods are associated with adolescent pregnancy [19]. The average age of sexual debut for adolescent females is 17 years, with one fourth of adolescents reporting intercourse before the age of 15 [19]. According to Healthy People 2020, lack of or noncompliance with contraception is one of the main causes of unintended pregnancy in the United Sates. Substance abuse in teens has also been associated with unwanted pregnancy and an increase in sexually transmitted infections [U.S. Department of Health and Human Services Healthy People 2020, (HP), 2016]. Adolescent use of alcohol and drugs reduces inhibition and can influence sexual activity. Adolescent substance abuse had been associated with an increase in the number of sexual partners and with nonuse of contraception during intercourse [20]. Education assertiveness and involvement in pro-social activities are also lifestyle predictors of adolescent sexual behaviors. Teens engaged in afterschool activities and educational programs are less likely to become pregnant. Involvement in school clubs, athletics, and church positively contributes to adolescence deferral of sexual activity. In essence, sexual activity is decreased with greater involvement in school and academic activities [21]. Media influence is another predisposing factor of sexuality among teens. Adolescents spend an average of 3-4 hours per day watching television. Much of the media today is sexually suggestive. Mass media outlets shape teen portrayal of sexuality, and often provide misleading sexual information [22].
Health care factors
Health care factors play a role in the high rate of adolescent pregnancy. The specific health needs of adolescent care in the United States are understated. Factors include insufficient health coverage, lack of financial resources, lack of confidential resources, and inadequate transportation [23]. Additionally, there are limited health care specialists who focus on adolescent health. Adolescents rely on their parents for health coverage and transportation and may be uneasy confiding in them about sexuality issues. Although many states provide free contraception services to sexually active teens, they may not seek these services due to confidentiality. Teens wait an average of 9.5 to 14 months after the onset of sexual activity before seeking contraceptive health care, and majority of adolescent pregnancies occur in the first 6 months of sexual activity [19].
In summary, Dever’s epidemiologic model can be used to identify intertwining factors impacting precarious adolescent sexual behaviors which can lead to adolescent pregnancy. Human biology factors of African American or Hispanic ethnicity, puberty, and immaturity; environmental factors such as lack of parental supervision, decreased adolescent self-esteem and/or depression, history of childhood abuse, and poverty or low-socioeconomic status; lifestyle factors including frequency of sexual activities, early age of sexual debut, incorrect or inappropriate use of contraception, substance abuse, medial influence, and lack of parental involvement and supervision; and health care system factors such as lack of financial resources, insufficient health care coverage, lack of confidential resources, lack of transportation, and limited adolescent health care specialist can lead to risky sexual behaviors in adolescents and inadvertently an adolescent pregnancy (Figure 1).
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