What is the recommended clearance time before a woman who is pregnant undergoes dental radiography?

The recommended clearance time before a pregnant woman undergoes dental radiography is to generally avoid exposure unless necessary. This is based on the principle of minimizing radiation exposure, especially during pregnancy when the developing fetus is highly sensitive to radiation. Dental radiography, while typically low in radiation dose, still carries potential risks during the critical periods of fetal development, particularly in the first trimester when the organs are forming.

In circumstances where dental radiography is deemed necessary—such as diagnosing a dental condition that could adversely affect the pregnancy or maternal health—appropriate protective measures and lead shielding should be employed to minimize exposure. Therefore, the recommendation to avoid unnecessary radiographic procedures during pregnancy aligns with the cautious approach towards radiation safety and the health of both the mother and the unborn child.