Is clomid safe and effective?

Kate
Anyone who's taking clomid? 
Is it safe for a women like me TTC : and is it effective to get a faster pregnancy
Pls need tour advise my obgyne doctor prescribe me this but still waiting for my period on 3 rd day before ill take it. 
Hope after taking this meds its a baby dust for us. 
Me and my husband trying to conceived about 6months now? Going two years been together as a couple. 
Thanks everyone.