Stage 3 Endo

So ladies I have/had stage 3 endo. i had a lap done dec 1st 2017 and my husband ans I have been trying ever since with no luck. did 2 rounds of 50 mg clomid and I DID ovulate very well but still nothing... we go to the fertility clinic in our area august 13th. Anyone know what they might suggest? anyone with stage 3 have success with

<a href="https://glowing.com/glow-fertility-program">IUI</a>

or should we go straight to

<a href="https://glowing.com/glow-fertility-program">IVF</a>

?