OPK darken

So I went on clomid after 4 months of having my IUD removed and no period. This is my 2nd cycle of clomid and my first cycle doing the OPK. They keep getting darker but not exactly positive. Is this a good sign clomid is working? Hoping we get our baby this month. This month got my period right on time so I assume last months cycle of clomid worked, just we timed our bd at the wrong time. Please tell me this is working!? 🙌🏽🙌🏽

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