This is my second time on clomid, i do not have a regular period because of PCOS. I started the clomid on the 5th of december, and this time i started with out having a period. Today is dec 22 and i went to get blood work to see if i had ovulate i think that i did but not quiet sure. So when should i start testing? MY breast are sensative the last few days but that is also a side affect so what are your opinoins Please!