How and when can I start taking clomid?

Ac

I’m 21, An for the first time in my life I weigh my heaviest.. An that has resulted for the first time in my life.. having absent periods.. last time I didn’t get my period for 8 months... an then first month of this year I bleed.. but now it’s no where to be seen again.. I just want a baby so bad! I’m also working out an trying to lose weight!