美国疾病控制与预防中心（CDC）要求，已怀孕且需要进行与签证签发相关的体检的妇女，并且在当前正在使用2007 TB技术说明书的国家/地区接受检查的女性，必须进行X射线检查。 孕妇需同意专家小组医生进行胸部X光检查。 为了确保申请人和未出生婴儿的健康，疾病预防控制中心指示专家小组医生和实验室对孕妇进行胸部X光片检查时，会为腹部和骨盆提供双层包裹的铅屏蔽罩，以保护腹部和骨盆。
The U.S. Centers for Disease Control and Prevention (CDC) requires that women who are pregnant and required to have a medical examination in connection with the issuance of a visa, and are examined in a country currently using the 2007 TB Technical Instructions must have a chest x-ray examination conducted. Pregnant women will have to provide the panel physician with consent to conduct the chest x-ray. For the health of the applicant and her unborn child, CDC instructs panel physicians and laboratories to provide abdominal and pelvic protection with double layer, wrap-around lead shields when they receive the chest radiographs.
