• Follow Mothers & Others New Green Diet.
  
  These eight simple steps will help you reduce your exposure to synthetic pesticides and guard against certain cancers and high dioxin intake. Increasing your intake of fruits, vegetables, legumes and fiber may help eliminate toxins.

• Eat foods high in folic acid before conceiving and while pregnant.
  
  Sources include dried beans and peas, citrus fruit, spinach and broccoli. Adequate folic acid early in a baby's development helps prevent neurological defects, such as spina bifida.

• Reduce consumption of alcohol and caffeine, and quit smoking.
  
  Women who smoke during pregnancy (or are exposed to secondhand smoke) are more likely to give birth to small babies with low birth weight. Alcohol and caffeine lower overall health and can negatively impact a fetus.

• Cut down your intake of animal fats to reduce dioxin, PCB and mercury exposure.
  
  Trim fat and skin from meats well. Limit consumption of fatty and predatory fish, such as tuna and salmon, to once a month at most; alternatives include flounder and sole. Broil fish and meat, so that fat drips away from the food. Choose skim dairy products.

• Choose lead-free calcium supplements.
  
  Some calcium supplements, particularly those made from ground oyster shells, bone meal or dolomite, may raise your lead intake. Eat foods high in calcium, such as beans, tofu and dark greens, instead.

• Drink pure water.
  
  Test drinking water for lead, chlorine byproducts (trihalomethanes) and pesticides. If there are contaminants, install an appropriate water filter.

• Test old paint for lead while planning your pregnancy.
  
  Lead is stored in the bones and can be passed to a developing baby through the placenta. The EPA maintains a list of certified labs where you can send paint samples. Removal of lead paint must only be done by a professional and pregnant women should stay away from the area until it is thoroughly cleaned. See Detecting and Removing Lead Paint for more information and resources.

• Don’t use hair dyes until after you've had your baby.
  
  Hair dyes can contain lead acetate and hormone disrupting alkylphenol ethoxylates (APEs). Lead persists in the body and can cross the placenta to harm developing babies. Hormone disruptors may affect the reproductive system.

• Avoid dry cleaners that use perc.
  
  Perc is a toxic solvent that can accumulate in fatty tissue and breast milk.

• Find out what chemicals are in your local air, water and soil.
  
  Start in your backyard, by finding out what's in the soil.

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