since i started taking loestrin (abt 8 months) and since i started ,i have not had a period at all.i stopped like 1 week ago ans still no period..i was wondering if i could still get pregant..i have been trying to concieve to no avail..do i still ovulate regardless of the fact that i've had no period??if not,how can i start ovulating or is there smthg i need to do