Hey I have a question. Im on day 21 of my cycle and i always have a 28 day cycle. But i keep getting this clear stuff which means im O which happens about day 14 or 15 and i only get that stuff on one day but im day 21.Today i also got white and clear stuff so i did a O test and it came up with a dark line and a medium line but in the wrong windows of the test if you know wat i mean??????? Need advise HELP