So I'm pretty sure this is a positive opk right? I'm comming to the end of my cycle, something told me to take opk..I keep getting positives...I've attached  my chart (I don't temp) and looking for any insite... I've had some extreme naseau last week that causes me to throw up two times and just today extremely sore breasts...postin anonymously to avoid anyone I know seeing this. Tia!