Maintain a healthy pregnancy can not only be done by taking vitamins, eating a balanced diet and regular exercise. You also need to ensure that your pregnancy to avoid exposure to toxins that are harmful to the fetus.

Here are things you can do to avoid exposure to toxins during pregnancy, as reported by iVillage, among others:

1. Avoid fish that contain mercury

Fish is a source of omega-3 fatty acids, vitamin B and protein are very healthy for expectant mothers and babies. Unfortunately, some fish also contain mercury, a chemical commonly used in industry.

According to the American Academy of Pediatrics (AAP) to consume too much mercury can cause neurological problems. That’s why the FDA advised pregnant women and nursing mothers to avoid eating mercury-laden fish such as marlin, shark, mackerel and tuna.

You are also advised to reduce consumption of these fish to no more than 6 ounces per month. Instead you need to eat low-mercury fish such as low-mercury fish, such as oysters, anchovies, salmon, sardines, tilapia, clams, shrimp, squid, catfish and crabs.

2. Avoid use of pesticides

Pesticides used to kill insects and rodents contain harmful chemicals during pregnancy, because it can cause miscarriage, premature birth, low birth weight, birth defects and mental retardation.

Avoid using pesticides and insecticides in your home, especially during the first trimester of pregnancy, which in this period of neural tube and nervous system begin to develop your baby. If you need to eradicate the pest, use materials that are more natural and harmless.

3. Manage the use of goods made of plastic

Plastic is made from phthalates and bisphenol A (BPA). Research has shown that contact with these chemicals may be harmful during pregnancy. In fact, exposure to BPA on pregnancy have been linked to behavioral problems in children, according to a study in 2011 in the journal Pediatrics.

While the countries of the European Union and Canada have banned the use of BPA in baby bottles. To help protect you and your unborn baby, check the plastic appliances in your home, whether to have the recycling triangle.

If in the recycling triangle there are numbers 3, 6 or 7, avoid using it in the microwave because the plastic daklam chemical species can be dissolved in a plastic food when heated.

4. Limit consumption of food and beverage cans

Pregnant women should limit their intake of foods and beverages packaged in cans, because most are coated with epoxy resin made with BPA. According to a report in 2010, about 92 percent of the metal cans of food contaminated by BPA.

5. Consumption of organic foods

Pregnant women should follow a diet rich in fruits and vegetables. But most fruits and vegetables developed by farmers using pesticides.

To reduce exposure to chemicals in vegetables and fruits, buy organic. Fruits and vegetables such as apples, celery, strawberries, peaches, spinach, oranges, grapes, sweet peppers, potatoes, lettuce and cabbage are very good to meet the needs of vitamins when pregnant.

6. Reduce the use of fragrances

According to the Environmental Working Group, a substance contained in fragrances can disrupt hormones and includes the most common allergens. Use products labeled fragrance-free, as this means it contains fewer chemicals