According to Center of Disease Control and Prevention if you are pregnant you should take the responsibility of avoiding lead exposure to prevent lead poisoning to yourself and your unborn baby @ http://www.cdc.gov/nceh/lead/tips/pregnant.htm
Are You Pregnant?
Prevent Lead Poisoning. Start Now.
How are you exposed to Lead?
Lead poisoning is caused by breathing or swallowing lead. Lead can pass from a mother to her unborn baby.
What are the risks of too much Lead in your body?
Too much lead in your body can
* Put you at risk for miscarriage.
* Cause your baby to be born too early or too small.
* Hurt your baby’s brain, kidneys, and nervous system.
* Cause your child to have learning or behavior problems.
What are the sources of Lead?
Lead can be found in
* Paint and dust in older homes, especially dust from renovation or repairs.
* Candy, make up, glazed pots, and folk medicine made in other countries.
* Work like auto refinishing, construction, and plumbing.
* Soil and tap water.
Lead is categorized as a heavy metal who exposure is detrimental to human life. Other heavy metals like mercury, arsenic, cadmium, manganese, aluminum when accumulated in the pregnant women can cause the placenta and are believed to cause severe damage to the unborn fetus.
Know more about all the possible sources of these harmful heavy metals in your living environment whose exposure could be detrimental to the unborn child @ Toxic Heavy Metals Causing ADHD, Autism and Learning Disabilities.