No LH surge with clomid

Amy • ✨👨‍👩‍👦‍👦 ✨ TTC #3
TTC for 9 months.  Been taking clomid (second round) and on day "13" of cycle. Haven't had a LH surge yet. Worried I might not ovulate. Anyone else have PCOS and use clomid with similar results? 
​Feeling overwhelmed and nervous.