ten day rule


Also found in: Financial.

ten day rule

The regulation, observed in all X-ray departments, that radiological examination of the lower abdomen in women of childbearing age should be restricted to the 10 days immediately following the first day of the last menstrual period. This is to avoid irradiating a young embryo.
Mentioned in ?
References in periodicals archive ?
By then protests are probably impossible because of the ten day rule.