I'm 37 yrs old with normal hormonal profile.Married for 1yr & 3 month.My husband has no issues.I did Ivf that was unsuccessful after producing 5 oocysts,& 4 embryos were produced,3 of them were excellent.And all 4 embryos were transferred.3 wks after my failed ivf i did HSG,That to my shock it came with bilateral distal tubal block with silght swelling on both sides after exerting pressure!!!Would this result be conclusive??Or there may be other confirmatory test?Is this also might be hydrosalpinx??Given that i never had PID.May be only at marriage when in the beggining I had painful intercourse,and I had UTI at that time & took medication for it.But if it was untreated PID isn't it too short time to have blocked tubes within one yr?? Otherwise it could be endometriosis that blocked them?? But I dont have any family History of endometriosis.If they are really blocked what do you advice to try to concieve naturally inbetween ivf cycles