I plugged in my iphone to my mac book pro and lost all my contacts and pictures?

All my old pictures and contacts from my old iphone came onto the new one when i plugged it in. I need those pictures more than the contacts badly. Can someone please help me. Thanks.BTW i checked all over my mac but couldnt find them

You can't recover what is erased from the phone. Next time, make a backup.
http://support.apple.com/...kb/PH12125

Change the iTunes settings so it doesn't sync:
http://support.apple.com/.../kb/HT1535

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