i have pcos and i want to get pregnant tell me what to do please.

iwas taking chlomid and when i went to buy the second dosage they gave me clostillbegyt however i dont know if i should have used it although the drugest said is the same thing as chlomid i was uncertain

l had an ectopic pregnancy last year jan 2011,l'm trying to get pregnant but until now dont have any sign of pregnancy.last month my doctor gave me clostilbegyt.l want to get pregnant so what should l do please.

my doc prescribe clostilbegyt but dont understand if i should start take the medication on the 5 day of my period ar i should start take it 5 day ofter my period