Blocked tube can be cause by a few different thing. First, did you have any trama or sur in area, secondly did you have Chlamydia or PID? Chlamydia is the number one cause of blocked tubes. I had it as a teenager and that is why I had a etopic pregnancy and now i only have one tube. I had a salpingohistogram and it verified that the tube is not blocked but I have not conceived since then. You should go for a second opionion. Did they do a post couitus test with you to see where the sperm is traveling?
Hello, I also have one blocked tube, but my blockage is at the end of the tube. I don't think you should go with IVF just yet. Definetly get another's doc's opinion. You still have other tube working correctly. I have my appt in fertility clinic soon to figure out what is my next step, but I know there are other choices than going streight to IVF.
I am pretty sure the tube is not blocked by remains of your period, I've read that HSG may rarly give incorrect reading if you get cramps while it's being performed.
I will give you an update as soon as I have my visit.