What are environmental factors in birth?
When it comes to fetal exposures, any exposure that occurs by way of the mother typically is considered “environmental.” A relatively small proportion of birth defects can be attributed, at least in part, to specific environmental causes such as maternal disease (e.g., rubella) or use of pharmaceuticals (e.g., valproic …
What are some environmental factors that could cause birth defects?
Another environmental factor that can cause birth defects is uterine constraint.
Fetal alcohol syndrome is a term used to describe the typical birth defects caused by the mother’s alcohol use:
- Learning disabilities.
- Developmental delay.
- Poor coordination.
- Abnormalities of facial features.
How can the environment affect pregnancy?
Exposure to certain substances in the environment when you are pregnant may affect your pregnancy or the health of your baby. Toxic substances increase the risk for birth defects, low birth weight, prematurity and miscarriage.
What are 3 environmental factors that affect prenatal development?
Other teratogens that affect prenatal development include radiation, pollution, and infectious disease. Radiation increases the risk of childhood cancer, as well as emotional and behavioral disorders; because of this, it is recommended that pregnant women avoid x-rays unless absolutely necessary.
What are environmental factors?
Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites. The diversity of environmental stresses that have been shown to cause an increase in asymmetry is probably not exclusive; many other kinds of stress might provide similar effects.
What are four environmental hazards that can affect a fetus?
These chemicals include commonly known hazards such as lead, mercury, and environmental tobacco smoke, as well as some pesticides, solvents, products containing chlorine, and other chemicals referred to as “persistent organic pollutants.” The fetus is particularly vulnerable to environmental chemicals that can disrupt …
What are the 4 main causes of birth defects?
What causes birth defects?
- Genetic problems. One or more genes might have a change or mutation that results in them not working properly, such as in Fragile X syndrome. …
- Chromosomal problems. …
- Infections. …
- Exposure to medications, chemicals, or other agents during pregnancy.
What are the 5 most common birth defects?
The most common birth defects are:
- heart defects.
- cleft lip/palate.
- Down syndrome.
- spina bifida.
What are the factors that affect pregnancy?
Factors like age and overall health status can increase your chances of experiencing complications during pregnancy.
- Reproductive abnormalities. …
- Women under age 20. …
- Women over age 35. …
- Weight. …
- Diabetes. …
- Sexually transmitted infections (STIs) …
- Preexisting medical conditions. …
- Multiple pregnancies.
What is an example of an environmental influence during the prenatal stage?
Environmental influences ranging from radioactivity and stress in the outside world to drugs, chemicals, hormones, and viruses in the mother’s bloodstream can affect prenatal development. Such threats affect the health of the fetus in several ways.
What factors can affect a child during the mother’s pregnancy?
Maternal factors include maternal size, weight, weight for height, nutritional state, anemia, high environmental noise exposure, cigarette smoking, substance abuse, or uterine blood flow.
What are some environmental factors that influence development?
Over the past 100 years, the study of environmental influences on human physical growth and development has focused on the influences of social and economic factors; family and household characteristics; urbanization/modernization; nutrition; and features of the physical environment such as altitude, temperature and …