Also, getting an ovulation predictor kit will help (but do see the doctor about the color- I had BV most of the time I was pregnant, and a couple of times during infertility treatments, and couldn't tell most of the time that it was still there. I was on continuous treatment for it- it went away after pregnancy and hasn't come back <img src="i/expressions/face-icon-small-wink.gif" border="0"> ). From what we had to do going through IUI, the sperm needs to be on its way/just arrived <img src="i/expressions/face-icon-small-wink.gif" border="0"> right <i>before</i> you ovulate, but since you are trying the natural way, I'd ask your ob/gyn about it <img src="i/expressions/face-icon-small-wink.gif" border="0"> .