I remember getting a call from Lucy, who was in the emergency room. She had fallen in her driveway and hurt her ankle. There are valid medical reasons for X-rays, but in each case, the need must be weighed against the risk to a pregnancy. No known amount of radiation is safe for a developing baby. Dangers to your baby include an increased risk of mutations and an increased risk of cancer later in life.
Some doctors believe the only safe amount of X-ray during pregnancy is none.
Researchers are becoming more aware of the potential dangers of radiation to a developing fetus. Problems such as pneumonia or appendicitis can and do occur in pregnant women and may require an X-ray to treat properly. Discuss the need for X-rays with your doctor. It's easier to deal with the questions of safety and risk before a test is performed. He or she will be able to advise you.