Baby dust please!

Hoping this will be our month, hubby got his SA results and everything is perfect, even better they said! I’m on clomid (last day today.) HSG Thursday. Is there anything I should be worried about/ask?? I was told to take IBU 20 minutes before the appointment, does it hurt? This was my first time seeing an RE, he’s worried because everything for my husband and I has come back perfect and he’s not sure why it’s taken us 15 months to even conceive.

Baby dust and good luck, any advice welcome! TIA 👶🏻♥️