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Infant mortality is the death of an infant before the infant's first birthday. The occurrence of infant mortality in a population can be described by the infant mortality rate (IMR), which is the number of deaths of infants under one year of age per 1,000 live births. Similarly, the child mortality rate, also known as the under-five mortality rate, compares the death rate of children up to the age of five.
The French paradox is an apparently paradoxical epidemiological observation that French people have a relatively low incidence of coronary heart disease (CHD), while having a diet relatively rich in saturated fats, in apparent contradiction to the widely held belief that the high consumption of such fats is a risk factor for CHD. The paradox is that if the thesis linking saturated fats to CHD is valid, the French ought to have a higher rate of CHD than comparable countries where the per capita consumption of such fats is lower.
The Apgar score is a quick way for health professionals to evaluate the health of all newborns at 1 and 5 minutes after birth and in response to resuscitation. It was originally developed in 1952 by an anesthesiologist at Columbia University, Virginia Apgar, to address the need for a standardized way to evaluate infants shortly after birth.
Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. Extreme preterm is less than 28 weeks, very early preterm birth is between 28 and 32 weeks, early preterm birth occurs between 32 and 34 weeks, late preterm birth is between 34 and 36 weeks' gestation. These babies are also known as premature babies or colloquially preemies or premmies. Symptoms of preterm labor include uterine contractions which occur more often than every ten minutes and/or the leaking of fluid from the vagina before 37 weeks. Premature infants are at greater risk for cerebral palsy, delays in development, hearing problems and problems with their vision. The earlier a baby is born, the greater these risks will be.
Kangaroo mother care (KMC), which involves skin-to-skin contact (SSC), is an intervention to care for premature or low birth weight (LBW) infants. The technique and intervention is the recommended evidence-based care for LBW infants by the World Health Organization (WHO) since 2003.
Low birth weight (LBW) is defined by the World Health Organization as a birth weight of an infant of 2,499 g or less, regardless of gestational age. Infants born with LBW have added health risks which require close management, often in a neonatal intensive care unit (NICU). They are also at increased risk for long-term health conditions which require follow-up over time.
Birth weight is the body weight of a baby at their birth. The average birth weight in babies of European and African descent is 3.5 kilograms (7.7 lb), with the normative range between 2.5 and 4.0 kilograms. On average, babies of Asian descent weigh about 3.25 kilograms (7.2 lb). The prevalence of low birth weight has changed over time. Trends show a slight decrease from 7.9% (1970) to 6.8% (1980), then a slight increase to 8.3% (2006), to the current levels of 8.2% (2016). The prevalence of low birth weights has trended slightly upward from 2012 to the present.
Prenatal development includes the development of the embryo and of the fetus during a viviparous animal's gestation. Prenatal development starts with fertilization, in the germinal stage of embryonic development, and continues in fetal development until birth.
Nutrition and pregnancy refers to the nutrient intake, and dietary planning that is undertaken before, during and after pregnancy. Nutrition of the fetus begins at conception. For this reason, the nutrition of the mother is important from before conception as well as throughout pregnancy and breastfeeding. An ever-increasing number of studies have shown that the nutrition of the mother will have an effect on the child, up to and including the risk for cancer, cardiovascular disease, hypertension and diabetes throughout life.
The Hispanic paradox is an epidemiological finding that Hispanic Americans tend to have health outcomes that "paradoxically" are comparable to, or in some cases better than, those of their U.S. non-Hispanic White counterparts, even though Hispanics have lower average income and education, higher rates of disability, as well as a higher incidence of various cardiovascular risk factors and metabolic diseases.
Maternal health is the health of women during pregnancy, childbirth, and the postpartum period. In most cases, maternal health encompasses the health care dimensions of family planning, preconception, prenatal, and postnatal care in order to ensure a positive and fulfilling experience. In other cases, maternal health can reduce maternal morbidity and mortality. Maternal health revolves around the health and wellness of pregnant women, particularly when they are pregnant, at the time they give birth, and during child-raising. WHO has indicated that even though motherhood has been considered as a fulfilling natural experience that is emotional to the mother, a high percentage of women develop health problems and sometimes even die. Because of this, there is a need to invest in the health of women. The investment can be achieved in different ways, among the main ones being subsidizing the healthcare cost, education on maternal health, encouraging effective family planning, and ensuring progressive check up on the health of women with children. Maternal morbidity and mortality particularly affects women of color and women living in low and lower-middle income countries.
The obesity paradox is the finding in some studies of a lower mortality rate for overweight or obese people within certain subpopulations. The paradox has been observed in people with cardiovascular disease and cancer. Explanations for the paradox range from excess weight being protective to the statistical association being caused by methodological flaws such as confounding, detection bias, reverse causality, or selection bias.
Research shows many health disparities among different racial and ethnic groups in the United States. Different outcomes in mental and physical health exist between all U.S. Census-recognized racial groups, but these differences stem from different historical and current factors, including genetics, socioeconomic factors, and racism. Research has demonstrated that numerous health care professionals show implicit bias in the way that they treat patients. Certain diseases have a higher prevalence among specific racial groups, and life expectancy also varies across groups.
Prenatal nutrition addresses nutrient recommendations before and during pregnancy. Nutrition and weight management before and during pregnancy has a profound effect on the development of infants. This is a rather critical time for healthy development since infants rely heavily on maternal stores and nutrient for optimal growth and health outcome later in life.
Prenatal care in the United States is a health care preventive care protocol recommended to women with the goal to provide regular check-ups that allow obstetricians-gynecologists, family medicine physicians, or midwives to detect, treat and prevent potential health problems throughout the course of pregnancy while promoting healthy lifestyles that benefit both mother and child. Patients are encouraged to attend monthly checkups during the first two trimesters and in the third trimester gradually increasing to weekly visits. Women who suspect they are pregnant can schedule pregnancy tests prior to 9 weeks gestation. Once pregnancy is confirmed an initial appointment is scheduled after 8 weeks gestation. Subsequent appointments consist of various tests ranging from blood pressure to glucose levels to check on the health of the mother and fetus. If not, appropriate treatment will then be provided to hinder any further complications.
Antenatal depression, also known as prenatal or perinatal depression, is a form of clinical depression that can affect a woman during pregnancy, and can be a precursor to postpartum depression if not properly treated. It is estimated that 7% to 20% of pregnant women are affected by this condition. Any form of prenatal stress felt by the mother can have negative effects on various aspects of fetal development, which can cause harm to the mother and child. Even after birth, a child born from a depressed or stressed mother feels the affects. The child is less active and can also experience emotional distress. Antenatal depression can be caused by the stress and worry that pregnancy can bring, but at a more severe level. Other triggers include unplanned pregnancy, difficulty becoming pregnant, history of abuse, and economic or family situations.
The placental microbiome is the nonpathogenic, commensal bacteria claimed to be present in a healthy human placenta and is distinct from bacteria that cause infection and preterm birth in chorioamnionitis. Until recently, the healthy placenta was considered to be a sterile organ but now genera and species have been identified that reside in the basal layer.
The immigrant paradox in the United States is an observation that recent immigrants often outperform more established immigrants and non-immigrants on a number of health-, education-, and conduct- or crime-related outcomes, despite the numerous barriers they face to successful social integration.
The weathering hypothesis was proposed to account for early health deterioration as a result of cumulative exposure to experiences of social, economic and political adversity. It is well documented that minority groups and marginalized communities suffer from poorer health outcomes. This may be due to a multitude of stressors including prejudice, social alienation, institutional bias, political oppression, economic exclusion and racial discrimination. The weathering hypothesis proposes that the cumulative burden of these stressors as individuals age is "weathering," and the increased weathering experienced by minority groups compared to others can account for differences in health outcomes. In recent years, the biological plausibility of the weathering hypothesis has been investigated in studies evaluating the physiological effects of social, environmental and political stressors among marginalized communities. This has led to more widespread use of the weathering hypothesis as a framework for explaining health disparities on the basis of differential exposure to racially based stressors. Researchers have also identified patterns connecting weathering to biological phenomena associated with stress and aging, such as allostatic load, epigenetics, telomere shortening, and accelerated brain aging.
Maternal health outcomes differ significantly between racial groups within the United States. The American College of Obstetricians and Gynecologists describes these disparities in obstetric outcomes as "prevalent and persistent." Black, indigenous, and people of color are disproportionately affected by many of the maternal health outcomes listed as national objectives in the U.S. Department of Health and Human Services's national health objectives program, Healthy People 2030. The American Public Health Association considers maternal mortality to be a human rights issue, also noting the disparate rates of Black maternal death. Race affects maternal health throughout the pregnancy continuum, beginning prior to conception and continuing through pregnancy (antepartum), during labor and childbirth (intrapartum), and after birth (postpartum).
References
- 1 2 El-Sayed AM, Paczkowski MM, March D, Galea S (2014-11-01). "Trends in the Mexican infant mortality paradox over the past two decades". Annals of Epidemiology. 24 (11): 831–836. doi:10.1016/j.annepidem.2014.09.005. ISSN 1047-2797. PMID 25282323.
- ↑ Buekens P, Notzon F, Kotelchuck M, Wilcox A (August 2000). "Why do Mexican Americans give birth to few low-birth-weight infants?". Am. J. Epidemiol. 152 (4): 347–51. doi: 10.1093/aje/152.4.347 . PMID 10968379.
- 1 2 3 Waldstein A (21 April 2017). "Why Mexican immigrants are healthier than their US-born peers". The Conversation. Retrieved 2019-10-16.
- 1 2 3 Solow B (2003-01-22). "The "Mexican Paradox"". INDY Week. Retrieved 2019-10-16.
- ↑ McGlade MS, Saha S, Dahlstrom ME (December 2004). "The Latina Paradox: An Opportunity for Restructuring Prenatal Care Delivery". Am J Public Health. 94 (12): 2062–5. doi:10.2105/AJPH.94.12.2062. PMC 1448590 . PMID 15569952.
- ↑ Horevitz E, Organista KC (2013-02-01). "The Mexican Health Paradox: Expanding the Explanatory Power of the Acculturation Construct". Hispanic Journal of Behavioral Sciences. 35 (1): 3–34. doi:10.1177/0739986312460370. ISSN 0739-9863. S2CID 145064883.
- ↑ Xiong X, Buekens P, Vastardis S, Wu T (2006). "Periodontal disease as one possible explanation for the Mexican paradox". Medical Hypotheses. 67 (6): 1348–1354. doi:10.1016/j.mehy.2006.05.059. ISSN 0306-9877. PMID 16935435.
- ↑ Padilla YC, Boardman JD, Hummer RA, Espitia M (2002). "Is the Mexican American "Epidemiologic Paradox" Advantage at Birth Maintained through Early Childhood?". Social Forces. 80 (3): 1101–1123. doi:10.1353/sof.2002.0014. ISSN 0037-7732. JSTOR 3086467. S2CID 20939903.
- ↑ Giuntella O (2016-12-01). "The Hispanic health paradox: New evidence from longitudinal data on second and third-generation birth outcomes". SSM - Population Health. 2: 84–89. doi: 10.1016/j.ssmph.2016.02.013 . ISSN 2352-8273. PMC 5757955 . PMID 29349130.