This morning I had math on my mind. Well, math, health and shopping, actually. What do all three things have in common? Let me tell you. They all have had to pay for IVF.   I was talking to five Facebook friends across Canada and I tallied up the price tag of their collective infertility journeys. The tally came close to several hundred thousand dollars. That’s five families. $300,000 to $400,000 paid to build four families. One couple was not successful yet. I can tell you that the infertile couples I interview, and meet and talk to often as community manager for Conceivable Dreams, the Ontario OHIP For IVF patient…