Baby Arithmetic

I think that the amount of money you have available in your assets after 1 year of life with bills determines weather or not you should have a baby or not.  Is this formula correct?  Its a rather obvious calculation about income. I believe there is a threshold for how much money you need to have in order to support a child.  What is the critical value after 1 year?  I believe you cannot save for a baby.  Someone please look into this mathematical claim...