Effects Of Smoking During Pregnancy

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Cigarette smoke contains more than 4,000 chemicals, including truly nasty things like cyanide, lead, and at least 60 cancer-causing compounds. When you smoke during pregnancy, that toxic brew gets into your bloodstream, your baby’s only source of oxygen and nutrients.

While none of those 4,000-plus chemicals is good for your baby (you would never add a dollop of lead and cyanide to his strained peaches), two compounds are especially harmful: nicotine and carbon monoxide. These two toxins account for almost
every smoking-related complication in pregnancy, says ob-gyn James Christmas, director of Maternal Fetal Medicine for Commonwealth Perinatal Associates at Henrico Doctors’ Hospital in Richmond, Virginia.

The most serious complications — including stillbirth, premature delivery, and low birth weight — can be chalked up to the fact that nicotine and carbon monoxide work together to reduce your baby’s supply of oxygen. Nicotine chokes off oxygen by narrowing blood vessels throughout your body, including the ones in the umbilical cord. It’s a little like forcing your baby to breathe through a narrow straw. To make matters worse, the red blood cells that carry oxygen start to pick up molecules of carbon monoxide instead. Suddenly, that narrow straw doesn’t even hold as much oxygen as it should.

 

Effects Of Smoking During Pregnancy

How will smoking affect my baby?

A shortage of oxygen can have devastating effects on your baby’s growth and development. On average, smoking during pregnancy doubles the chances that a baby will be born too early or weigh less than 5 1/2 pounds at birth. Smoking also more than doubles the risk of stillbirth.

Every cigarette you smoke increases the risks to your pregnancy. A few cigarettes a day are safer than a whole pack, but the difference isn’t as great as you might think. A smoker’s body is especially sensitive to the first doses of nicotine each day, and even just one or two cigarettes will significantly tighten blood vessels. That’s why even a “light” habit can have an outsize effect on your baby’s health.

[Tweet “Every cigarette you smoke increases the risks to your #pregnancy. A few cigarettes a day are safer than a whole pack, but the difference isn’t as great as you might think”]

How smoking affects your baby:

Weight and size
On average, a pack-a-day habit during pregnancy will shave about a half-pound from a baby’s birth weight. Smoking two packs a day throughout your pregnancy could make your baby a full pound or more lighter. While some women may welcome the prospect of delivering a smaller baby, stunting a baby’s growth in the womb can have negative consequences that last a lifetime.

Body and lungs
Undersize babies tend to have underdeveloped bodies. Their lungs may not be ready to work on their own, which means they may spend their first days or weeks attached to a respirator. After they’re breathing on their own (or even if they did from the start), these babies may have continuing breathing problems — because of delayed lung development or other adverse effects of nicotine. Children whose mothers smoked during pregnancy are especially vulnerable to asthma, and have double or even triple the risk of sudden infant death syndrome (SIDS).

Heart
Babies whose mother smoked in the first trimester of pregnancy are more likely to have a heart defect at birth.

In a U.S. Centers for Disease Control and Prevention (CDC) study published in February 2011, these babies’ risk of having certain types of congenital heart defects was 20 to 70 percent higher than it was for babies whose moms didn’t smoke. The defects included those that obstruct the flow of blood from the right side of the heart into the lungs (right ventricular outflow tract obstructions) and openings between the upper chambers of the heart (atrial septal defects).

Brain function
Smoking during pregnancy can have lifelong effects on your baby’s brain. Children of pregnant smokers are especially likely to have learning disorders, behavioral problems, and relatively low IQs.

[Tweet “#Smoking during #pregnancy can have lifelong effects on your baby’s brain.”]

Source: baby center

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  1. Vegetable glycerin says

    smoking have very bad effects not only pregnant women but other persons also..as for pregnant women its very dangerous it can cause many bad effects on there baby..so quit smoking if u want your baby should be healthy and wise.

  2. Stephany says

    Well, we all know smoking is very dangerous to the health of the person smoking. What more to the baby growing inside it? Pregnant moms should not smoke if they want their babies to be healthy.

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