I'm 23 and I'm 1m70 for 60kgs but I am the smallest among all the kids in my family.The youngest is 16 and she is 1m80 and 90kgs.Please help me I am trying to get a modelling agency and I need a little push up!!

1m 70cm in inches - True Knowledge (http://www.trueknowledge.com/q/1m_70cm_in_inches)
66.93 inches
Looks like a hair under 5' 7".

Well there is Growth hormones that you can take. It depends on when you take them though. I have taken them. They are little shots you take.

This is from 2010 - please keep an eye on the dates.