can you see this...the drawing is rubbish as i done it on Paint and im at work and had to rush as im in an open plan office and supposed to be working!! ha ha
Obviously not in those colours but just to show you....and i used H as the next initial for your next baby....
Not sure if you can see the dates in the letters......as the pic is a bit small...but you should get the drift and the more babies you have the more it goes down his arm....