I know by the chart and fertile CM that I ovulated in March on March 21st. I usually check my CM at night before I go to bed. However on that March day I ovulated I checked it in the morning and evening. It was only fertile CM in the morning, then creamy again by night. I thought I didn't ovulate in April, but now I'm wondering if I did, but the really low reading toward the end was just a fluke (I could have read it wrong I guess, or maybe taken a sip of water half asleep first) and the reason for no fertile CM is because I wasn't checking enough. I'm gonna start checking my CM morning and night once I get off my period. But...do y'all think I ovulated last month in April?