Answer
It must not be used during pregnancy, and breastfeeding must stop if treatment is necessary because radiation could harm the fetus or breastfed child.
Sources for this answer
- Lutathera 370 MBq/mL solution for infusion — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.