Uhm why do you need to? Its not something you really need to share with a nine year old.
9 year olds dont need to know that stuff just yet.
why do you need to tell her anyway?
I don't see any reason why you would or should tell her.
Well just explain to her because when i have my period i tell my younger brother because he nows somethings up so just explain how every girl gets it and why girls get it its part of nature
From now on, please let your Parents do the Birds and Bees teachings to your brother!
Just show her, and she'll learn to mind her own business
Do you think that's To much ((((INFORMATION)))) for a 9 year old?
OMG, really??? Just show her!!! :O
???.................. Why do you have to tell her??...................... She's nine. She should be thinking about Disney Channel & Nickelodeon & stuff like that........... Not about her older cousin telling her about what's happening in your body. When she has that time... Then you should tell her. :)
You DON'T need to tell her. Like out of no where you say "Hey Little Sally, I just got my period. Just wanted to let you know." And then you just walk off. Ya, no. Just stick to not telling and you wont suffer from any embarrassment or anything.
She doesn't want to know,trust me.
Why do you need to but if you have to then say it in a way she can MATURELY understand it