Here is what I would like to calculate, if anyone has another meaningful metric, I will add it. If you had multiples, just do one for each.
Home, hospital, or birth center
Vaginal or caesarean
Gravida para status: http://en.wikipedia.org/wiki/Gravida/para/abortus (including this birth)
Any word important to you/special circumstances (VBAC, breech, Waterbirth, UC, etc)
6 lbs 7 oz