obacco smoke contains more than 4,000 chemicals, including some truly dangerous ones such as cyanide, lead and at least 60 compounds that cause cancer. When you smoke during pregnancy, that toxic cocktail enters your bloodstream, which is your baby’s only source of oxygen and nutrients, none of those chemicals is good for your baby (you would never think of adding to a teaspoon of cyanide to your baby). your fruit porridge), there are two compounds that are especially harmful: Nicotine and Carbon Monoxide. These two toxins are responsible for almost all of the tobacco-related problems that arise during pregnancy. The most dangerous complications, including stillbirth, premature birth, and low birth weight, reduce the amount of oxygen that reaches your baby. Nicotine reduces oxygen by narrowing blood vessels in your body, including those in the umbilical cord. To make matters worse, red blood cells that carry oxygen begin to pick up carbon dioxide molecules instead of oxygen.     Lack of oxygen can have devastating effects on your baby’s growth and development. On average, smoking during pregnancy doubles the chances of a baby being born prematurely or weighing less than 2.5 kilograms at birth. In addition, smoking doubles the risk of a baby being born without life.     Every time you smoke increases the risks of your pregnancy. A few cigarettes a day are safer than a pack, but the difference is not as big as you think. A smoker’s body is especially sensitive to the first doses of nicotine every day, and even smoking only one or two cigarettes significantly narrows blood vessels. This is why a “slight habit” can have a huge impact on your baby’s health. Women who smoke produce less milk, and their babies have less birth weight. This must always be said clearly to our patients.      The carbon monoxide and nicotine in tobacco smoke can interfere with the supply of oxygen to the fetus. In addition, nicotine easily crosses the placenta and nicotine concentrations in the fetus can be up to 15 percent higher than maternal levels. Nicotine is concentrated in fetal blood, amniotic fluid, and breast milk. The combination of these factors can have serious consequences on fetuses and babies of smoking mothers.     It is estimated that in the United States, 16 percent of pregnant women smoke and one-fifth of pregnant women stop smoking spontaneously since they discover they are pregnant until they see a doctor. The women with more difficulty to quit smoking are those who consume a greater number of cigarettes before pregnancy. The family environment and the couple constitute an important influential factor in the smoking habit of the pregnant woman.Adverse effects of smoking during pregnancy include retardation in fetal growth, low birth weight. The decrease in birth weight seen in the babies of smoking mothers is related to the dose: the more a woman smokes during pregnancy, the greater the decrease in infant birth weight. The newborn also shows signs of Respiratory Distress and withdrawal symptoms consistent with what has been reported in babies exposed to other drugs. It is very common that smoking during pregnancy can also be associated with spontaneous abortion and Sudden Infant Death Syndrome (SIDS, for its acronym in English).     Also the childhood of a child will not be the same if it is exposed to smoke and if your mother was a smoker these are strong risk factors to be taken into account so that we can find that they are more susceptible to having allergies, asthmatic pictures or bronchial allergies, You can also see other problems such as learning and behavioral problems in children, as well as a higher risk that they are obese. At the same time, if the mother smokes more than one pack a day during pregnancy, it almost doubles the risk that the affected child becomes addicted to tobacco if he starts smoking.Children breathe faster than adults and inhale more harmful chemicals per kilogram of weight. This is why exposure to tobacco smoke in the environment is particularly harmful to them. Children exposed to smoke in their homes are at increased risk of a chronic cough, decreased lung capacity, more episodes of asthma, bronchitis, pneumonia, and otitis. It also increases the risk of suffering sudden infant death syndrome (the main cause of death in the first year of life) that is already increased if the mother smokes in pregnancy.     Children of smoking parents are also at increased risk of:-Hospitalizations for respiratory problems.-Otitis Media.-Food allergy,-Problems in the skin-Dental caries.-Children Hiper-assets. School absenteeism (there are six more times to school than the children of non-smokers and they go to the doctor more frequently).In addition, being exposed to tobacco smoke during childhood can increase the risk of lung cancer in adulthood by 4 times and increase bladder cancer risk by almost 40%.    The EarsExposure to cigarette smoke increases both the number of ear infections that the child will experience and the term of the disease. The inhaled smoke irritates the eustachian tube, which is the one that connects the back of the nose with the ear. This causes inflammation and obstruction, which interferes with pressure equalization in the middle ear, leading to pain, spill, and infection. Ear infections are the most frequent cause of hearing the loss in children. When they do not respond to drug treatment, surgical insertion of ventilation tubes is often required.     BrainChildren of mothers who smoke during or after pregnancy are more exposed than other children to behavioral problems, such as hyperactivity. There has also been a slight decline in school performance and intellectual achievement.      Secondhand smoke is everywhereChildren can be exposed to secondhand smoke in many places. Even if there are no smokers in your home, your children may be exposed to secondhand smoke. Some places include:-In a car or on a bus-At daycare or at school-In the nanny’s house-In the home of a friend or relative-In a restaurant-At the mall-In a sporting event or concert-In parks or places for recreation

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