Low Dose of Clomid after a SARM Cycle?

Clomid gives me bad headaches, even at 12mg, at least the Clomid I’ve used before. At 6mg I think I may be able to tolerate it. Would running it that low for 6-8 weeks work as well as running about 12mg for 4 weeks after a low dose(10mg) Ostarine cycle? Plus how long after a Clomid rebound do you general wait to get blood work done? Am I better off jsut trying Nolvadex?