So I no this is a negitive ovulation test  y <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> is green saying my 1st day of ovulation but i did a ovulation test about a week ago and it come up pretty much positive then the rest was negitive hardly a line on them and the today iv got this one.. I'm confused can you get a positive ov test and then all but get another a week later??