¿Cuáles son los cambios?

1) http://www.google.com.ec/imgres?um=1&safe=off&hl=es-419&biw=1366&bih=667&tbm=isch&tbnid=mbD_eMIdS9_uCM:&imgrefurl=http://www.efeblog.com/depilacion-de-las-axilas-6543/&docid=1MltMbBWhvSOWM&imgurl=http://img.efeblog.com/images/2012/06/efe1-300x200.jpg&w=300&h=200&ei=Ua6mUc_oNYmk9ASQ-IDYCg&zoom=1&ved=1t:3588,r:3,s:0,i:85&iact=rc&dur=496&page=1&tbnh=160&tbnw=200&start=0&ndsp=20&tx=113&ty=40
2)http://www.google.com.ec/imgres?um=1&safe=off&hl=es-419&biw=1366&bih=667&tbm=isch&tbnid=mbD_eMIdS9_uCM:&imgrefurl=http://www.efeblog.com/depilacion-de-las-axilas-6543/&docid=1MltMbBWhvSOWM&imgurl=http://img.efeblog.com/images/2012/06/efe1-300x200.jpg&w=300&h=200&ei=Ua6mUc_oNYmk9ASQ-IDYCg&zoom=1&ved=1t:3588,r:3,s:0,i:85&iact=rc&dur=496&page=1&tbnh=160&tbnw=200&start=0&ndsp=20&tx=113&ty=40
3)http://www.google.com.ec/imgres?q=cambios+en+la+pubertad+femenina&um=1&safe=off&hl=es&biw=1600&bih=797&tbm=isch&tbnid=6cE8D7JnKzZNnM:&imgrefurl=http://pediatrachile.com/wp/%3Fp%3D7720&docid=teE29bDYwZXzWM&imgurl=http://pediatrachile.com/wp/wp-content/themes/pediatraldia/scripts/timthumb.php%253Fsrc%253Dhttp://pediatrachile.com/wp/wp-content/uploads/2013/02/pub1.png%2526w%253D310%2526zc%253D1&w=310&h=266&ei=OcqLUZe2OpPU9AS-34DADg&zoom=1&ved=1t:3588,r:91,s:0,i:357&iact=rc&dur=359&page=3&tbnh=193&tbnw=200&start=63&ndsp=35&tx=131&ty=32