Lost Birth Certificate

Hi .
I am here to ask for help about my younger sisters Birth Certificate . We are in Jeddah and my sister was born in 2009. We actually lost her certificate. And now our iqama got expired and she does not have her passport made as well. How will I be able to collect her certificate please let me know. And Is my country's ambassy going to help!! We have all admission papers and everything. Only lost the certificate. Please it URGENT!!!
thank u.
Nihat

I too lost my birth certificate. Can you help me out