Clomid questions!!! Whoever has taken clomid before plz help!!!

Hello ladies I see my Dr Friday and we are doing <a href="">iui</a> in February so were doing a practice run for meds partnered with timed intercourse this cycle I am due to start clomid today cd5 an take it through CD9. Who here has taken clomid? What was your experience like? What days did you take it? Did it work for you? And should I be worried about twins?