Smoking cigarettes and drinking alcohol pose clear risks to the fetus. However, the effects of many substances, for example hair dyes, are uncertain. If you don't have to expose yourself to such risks, it is probably best to avoid them. The following guidelines will help you have a healthy pregnancy. Talk with your clinician if you have a specific concern not discussed here or if you have additional questions.
Smoking is the single most important cause of problems in most pregnancies.
These problems are completely preventable by you by stopping smoking. Cigarette smoking is a threat to anyone's health. It is especially dangerous for your unborn baby. When you smoke, you inhale carbon monoxide, nicotine, and other chemicals. These chemicals reduce the oxygen and nutrients available for the growing fetus.