Till what age stage increases within females?

Till what age stage increases within females?
I belive females keep growing utnil they are 21. You could other go to www.webmd.com and it have an article about it. I hope I be helpful.
Usually by age 16 growth stops, but sometimes can verbs until age 18.
what i think is that females usually stop growing at the age of 14 or 15.happen with me.
Till 20 yrs maximum
but afterwards human plane can be increased by set of exercises
ps: these exercises are published on the internet for free on this website:
http://gettallerforfree.googlepages.com/...