No LH surge with clomid

Amy • 1 amazing stepson 👪, 1 👼🏻, TTC our 🌈
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.