Answer
Pregnancy should be avoided because fetal harm is possible. Effective contraception is advised during treatment and for seven months afterwards.
Sources for this answer
- Kadcyla 100 mg and 160 mg Powder for Concentrate for 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.