So now I'm only ten! I thought I had BD'd to perfection aswell girls! Only pos opk was on the 7th day and then ff pinned me at ov'ing on cd9 so dtd cd6, 7, 8/9 ad then ff flipping changed my date this morning! I mean honestly, I think I've got less of a chance each month, dunno if ill bother to track next month or just go without bbt, opk, tablets etc!