Do teenagers wear nappies

what type of older girls do you mean? Some older girls wear nappies or pullups to bed due to wetting the bed. Some wear them during the day for convenience or in case they have accidents. if you are meaning a pad type nappy, then it might be best to talk to your mum or another female adult. but for the general gist of it... women when they come to an age where their bodies are getting ready to reproduce (make babies) they start bleeding every month, and many women use pads to catch the blood.