Factors that Negatively Effect Fetal Development
Nicotine and drugs can affect a fetus by entering into the bloodstream of the unborn child. While you are pregnant, almost everything you eat, drink or smoke passes through your body to your baby. That is why drugs taken during pregnancy can be harmful to your baby. The word "drugs" doesn't only mean illegal drugs. It also means legal drugs and prescription and over-the-counter medicines. The use of alcohol, tobacco, and other drugs during pregnancy continues to be a leading preventable cause of mental, physical, and psychological impairments and problems in infants and children.
A developing fetus really is a part of its mother, sharing oxygen and nutrients through the umbilical cord and across the fluid-filled bubble known as the placenta. It was once thought the placenta as a natural filter, shielding the fetus from external harm. Today, we know that virtually everything in a woman's bloodstream passes through to the developing organs of the fetus. Since a fetus can't remove harmful substances on its own, all the drugs a woman uses during pregnancy stay in its body longer than they do in mom's -- and at higher, more toxic levels.
Main risks of smoking during pregnancy include:
Delayed Growth. The more a woman smokes, the less her baby grows. Twice as many babies weighing less than 5 pounds are born to smokers as to nonsmokers.
Premature Birth: Pregnant smokers are more likely to suffer bleeding, damage to...
Just as drugs such as marijuana, cocaine, and crystal meth affect the mother, it also affects the child. Babies that are born to drug using mothers are called “drug babies” and just like their mother they become addicted to the drugs causing behavior problems during their childhood. They can also have birth defects, premature birth, and are usually underweight. Babies that are born to cocaine using mothers are called “crack babies” and they face the risk of a stroke leading to brain damage. Teratogenic medications such as some antibiotics, cancer fighting medicines, blood thinners, and acne fighting medicines such as Accutane can all cause birth
Drug and alcohol use in pregnancy poses a threat to the neonate’s development and the obstetric provider has an obligation to screen for substance use. Substance use in pregnancy can place the developing fetus at risk for in-utero opioid dependence, fetal-alcohol syndrome, preterm labor, and other consequences of maternal alcohol, tobacco, and illicit drug use.(6) Within the past three years La Crosse County has seen a marked increase in the amount of heroin use.(7)
One illicit drug that has gone through extensive research is cocaine. Prenatal cocaine exposure has shown to affect the baby physically (defects including eye, bone, genital, urinary tract, kidney, heart deformities, as well as brain hemorrhages) and cognitively (through mental delays, motor, attention, and language problems) (Berk, 2003). Cocaine affects the child subtly but significantly because of what the drug does to the body of both the mother and the growing fetus.
Childbirth is nothing short of a miracle. The placenta—the organ connecting a developing fetus to the uterine wall and allowing for waste elimination, nutrient uptake and gas exchange via the mother's blood supply—filters most harmful substances that threaten an embryo, though some may still pass on to the fetus. These harmful substances, called “teratogens,” range from environmental chemicals to the passing of maternal diseases, and can negatively impact the normal developmental cycle of a fetus. The title “teratogen,” however, effectually refers to any substance or chemical exposure with the potential to cause birth defects in prenatal development. Exposure to teratogens can result in a broad spectrum of physiological and psychological issues in later life, including malformations of the body. (Malformations resulting from exposure to one of the most common teratogens—alcohol—can be observed notoriously in Fetal Alcohol Syndrome, or FAS, where patterns of mental and physical defects develop in association with high levels of alcohol consumption during pregnancy.) Though the toxicity of these teratogens is particularly damaging during the fourth through tenth weeks of gestation, teratogens can harm throughout the span of development in the womb.
Many women feel guilty for consuming alcohol before they knew they are pregnant, and when the pregnancy test is positive, they are afraid they may already hurt the baby since it is known that alcohol passes the placenta. Toxins from the alcohol can disturb the cell division, placement and development of the newborns organs. When cells are damaged by nicotine, drugs, or alcohol, they will stop dividing. This will produce early miscarriage which woman will experience as a late period. If fetus survives, it was probably not affected.
In order to fully understand how certain drugs’ cause birth defects it is important to understand how environmental factors affect a developing fetus. When a baby is in the fetal period of development a placenta surrounds the fetus, providing nourishment and also protecting the fetus from harmful substances. This permeable barrier allows for some substances to enter based on a molecule's size, charge and solubility, it is also important to understand that a normal dose of medication for an adult does not affect a fetus in a similar way. Gideon Koren shares many factors that illustrate how and why a drug would affect a fetus more powerfully “…Second, the fetus’s detoxification and immune systems are still immature, unable to clear drugs and other chemicals from its system as effectively as the body of an adult. And third, the fetus is developing so rapidly that even a small disruption induced by a chemical can have far-reaching effects.” These factors help prescribers understand how medications can affect a
Pregnant women have to be careful while pregnant. They have to watch out for various speed bumps. There are tons of toxins that can hurt the baby in the womb. The mother is responsible for most of these, after all she is the one who is carrying the baby. Many of these factors can result in death. It is really sad that it has to end that way some of the time. The worst toxins for a baby to encounter while in the mother’s uterus are different types of drugs and alcohol. Those two things can could serious problems for the infant once it gets into their system. They enter into the baby’s bloodstream from the mother, and cause problems from there on out.
Isolated cases of birth defects have been associated with cocaine use during pregnancy; however, additional studies are needed to confirm these observations. Cocaine also can precipitate miscarriage or premature delivery because it raises blood pressure and increases contractions of the uterus. Maternal cocaine use also endangers the fetus directly. Studies show that the drug constricts arteries leading to the womb. This constriction diminishes the amount of blood, and hence oxygen, that reaches the fetus. In one extreme case, cocaine apparently caused fetal stroke.
In conclusion, the harmful effects of medications, alcohol and illicit drugs can be very dangerous to the health and development of a fetus during pregnancy. It is important to educate new mothers on the adverse effects that are associated with the use of these substances. With the right counselling and information provided, we can continue to keep newborns safe in the womb and be able to give them a chance at a healthy and painless future.
All drugs, legal or illegal, are considered to be harmful to the fetus and should be taken with caution and under the doctor’s direct orders only. Drugs can be anything as simple as a cigarette to a major substance like heroin and cocaine. Most mothers who do drugs during their pregnancy don’t think about the detrimental effects they could be causing to their baby. Any amount of these forbidden substances can leave an everlasting effect on the precious defenseless baby. Most women know that when you are pregnant your hormones vary greatly, but when a woman is pregnant it also ...
Development is a never ending cycle in life. Each person begins to develop from conception until passing away. Now, while most people think that development starts after birth that is incorrect. Development starts as soon as the baby is conceived. Everything that a woman carrying a baby does or takes place in will translate into the baby. The baby shares a blood flow with the mother. Drugs, even legal drugs, will go into the mother’s blood stream which will then go into the baby’s blood stream. The “maternal blood flows through the uterine arteries to the spaces housing the placenta, and it returns through the uterine vein to the maternal circulation” (Santrock, 2012, p. 80). This means that anything that enters into the blood stream will also affect the baby. Each type of drug is under a certain category. Psychoactive drugs are drugs that are constantly being studier. According to Santrock (2012), psychoactive drugs are drugs that act on the nervous system to alter states of consciousness, modify perception, and change moods. (p.83). They come in three categories: stimulants, depressants, and hallucinogens. Stimulants include caffeine, cocaine, methamphetamine and nicotine. Some people say that pregnant woman do not know what taking these into their system is doing to their baby. Stimulants are becoming more popular and there effects need to be studied and known. Each stimulant affects the baby in short-term and long-term.
During a pregnancy there are many choices to be made and smoking should not be one of them. Smoking while pregnant can cause major effects before the birth of the child and also in the child’s future. Here are a few effects before the actual birth of the child: 1) Cigarettes contains a large number of chemicals that harm unborn babies. 2) Smoking raises the levels of carbon monoxide in your bloodstream. This gives less oxygen for baby. 3) Nicotine tightens the blood vessels, meaning the oxygen is passed over less effectively to the baby 4) Miscarriage or stillborn.
...just being around a person that does can cause harm to a mother’s fetus. Women need to know that smoking can cause miscarriages, premature birth, and other damage to a baby. Before women that smoke decide to make the decision of getting pregnant, they should research all the harmful effects that smoking has on a fetus. If pregnant smokers were to halt tobacco use a total of 986 infant deaths would be averted annually. This validates the need for infusion of more resources into existing smoking cessation campaigns in order to achieve higher quit rates, and substantially diminish current levels of smoking-associated infant deaths (Salihu, Aliyu, Pierre-Louis, & Alexander, 2003). The only way a woman can avoid pregnancy complications associated with smoking is to quit and she should also avoid others who smoke in order to avoid the dangers of second hand smoke.
Chambers, C. D., Polifka, J. E., & Friedman, J. M. (2008). Drug safety in pregnant women and their babies: ignorance not bliss. Clinical Pharmacology & Therapeutics, 83(1), 181-183.
This essay covers information over the course of prenatal development. I will also discuss teratology and hazards to the prenatal development, those such as, caffeine, alcohol, nicotine, cocaine, marijuana, heroin, and opioids. Additionally, I will discuss how maternal factors such as maternal diet and nutrition, maternal age, emotional states and stress, and paternal factors, may influence prenatal development.