2% morphology: IUI?

Annie
Hi ladies,
My husband's SA came back with everything normal except his morphology which was only 2%. I have PCOS and hypothyroidism. Any success stories with <a href="https://glowing.com/glow-fertility-program">IUI</a> with abnormal/low morphology? 
His full stats:
Vol. 2.7ml
Concentration: 154 million/ml
Motility 55%
Morphology 2%