Took 12 off these bit am not ovulation any more took these as a pregnancy test has I had ran out and they do detect pregnancy coz the 2 hormones are similar had brown blood a week after ovulation for two days and cramp my period due in 3 days I keeping needing toilet took a clear blue ultra early test six days before I was due on and was negative but all these ovulation rays was positive help am confused last period was 30th December next period suppose to be 24th January any advice would be helpful