If you're overweight, you are more likely to suffer from hypertension and diabetes during pregnancy. If you need to lose weight, take the opportunity to do before pregnancy.
Can I exercise?
Yes. Plus you'll be in good physical condition will be easier pregnancy and childbirth. But if you do too much exercise, it may be more difficult to become pregnant. During pregnancy, it can be dangerous to do too much exercise. If you have never done so, start before becoming pregnant.You can then maintain a light exercise program. Walking daily is one of the best exercises. Ask your doctor what would be the exercise program best suited for you.
Should I change my habits?
Tobacco, alcohol and drugs can cause serious damage to your baby and may even cause miscarriage. If you use tobacco, alcohol or drugs, get help from your doctor to stop. Do not be embarrassed or shy to talk to your doctor. He or she will want to help you find a way to stop the use.
Tobacco. Tobacco is responsible for miscarriage, bleeding, premature birth and low birth weight Ala. It is also linked to sudden death syndrome in infants and babies die for no apparent reason.Children of smokers may do less well on IQ tests and their physical development is slower.

Alcohol. Consuming alcohol during pregnancy can cause fetal alcohol syndrome, responsible for numerous problems including mental retardation, growth retardation, malformations of the face and a head too small. Do not drink alcohol or as little as possible before and during pregnancy.
Illicit drugs. The use of marijuana, cocaine and other illicit drugs increases the chances of miscarriage, premature birth and birth. With some drugs, the baby will be born with an addiction to drugs used by mother and live a period of withdrawal.
Cats and toxoplasmosis
There you may be told that pregnant women should not clean cat litter. It's that cat feces can transmit the parasite that causes toxoplasmosis. Toxoplasmosis does not usually affect children and adults but can cause birth defects, including brain damage and blindness. You can also get toxoplasmosis if you eat red meat raw or undercooked or in contact with soil contaminated by the feces of cats, as in the garden for example.

What should I avoid at work or at home?
There are some dangers, such as radiation, heavy metals such as lead and mercury, carbon disulfide, acids and gas anesthetics. The radiation from computer screens does not seem harmful.
Those who work in health care facilities or child care may be at risk for cytomegalovirus (CMV) and parvovirus B19 (fifth disease) transmitted by infected children.
Avoid pesticides and toxic fumes, both at work and at home
To determine if you are exposed to certain hazards in your workplace and at home, talk with your doctor. At work, whether products are dangerous to the baby, you can wear a dress or special equipment to protect the baby, or you can ask to be transferred temporarily before and during pregnancy.