Periods after clomid - HELP!

Hi guys question for all those with pcos &/or irregular cycles that have taken Clomid or another medication similar. Does taking it help bring on your period without medication? Short story took Clomid this month/cycle I did not ovulate unfortunately and prior to taking Clomid I’ve had to jumpstart my periods because they wouldn’t come on their own. Today is CD 26 for me, I’ve been feeling some sharp pains I believe their cramps but I’m a little gassy too so idk if it’s my stomach upset and when I get the pains I feel them in my back too. So could it be that my period might come on it’s own? If not how long should I wait before I start the medication to start my period so I can start round 2 of Clomid? TIA