Jennifer -I might be wrong, but I am pretty sure fallopian tubes don't get clogged my mucous - only your cervix does. In all likelyhood, unless you've had an STD and had scar tissue your tubes should be open - but, the hsg can look for abnormalities with your tubes and uterus -
my gyno made us wait one year, then the first thing they look at is sperm count - it's silly do do much else if that's outta whack (I don't mean they can't help out a low count, but they probably won't send you for testing if they see your charts and then he has a low cont or low motility or whatever - kwim?)
after that I had the hsg which I honestly felt was a waste of money, but that's because I alreadt had had a child.
then we went to clomid and hcg trigger with timed intercourse and then clomid, hcg trigger and iui.
Don't call your insurane - they do flag stuff and your doc can bill a lot of stuff differently than infertilty - for example mine billed my hsg as "painful periods" - my ins. still didn't pay, but that's besides the point.
Get the sperm count done now - my hubby didn't want to do it but we were able to do it at home and I took it into the lab for him (they'll tell you how to do that) - it is the most pleasurable medical test he'll ever have!
any other infertility stuff, just ask.