There is no such contraindication as do not use household chlorine bleaches for cleaning. Children and Pregnant Women: If there are pregnant women, infants, and children under 16 years of age in the home, arrangements should ensure that a distance >6 feet (or 2 meter) can be maintained between the patient and these occupants for the entire restricted time. Carry Treatment Card: Information card or letter at the time of treatment which show the date, type and amount of radioiodine. The card should be carried for at least 3 months following treatment. In an event of traffic accident or any other medical emergency during the ?rst week after your treatment the card should be produced. Contraception: It is advised that full feility may not occur until after 1 year, and attempts to produce pregnancy should best await a time when they are fully recovered from 131 I therapy, a period of at least 3 months. Ref: Radiation Safety in the Treatment of Patients with Thyroid Diseases by Radioiodine 131 I: Practice Recommendations of the American Thyroid Association, James C. Sisson et al.