​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​First time charting bbt. Not sure why it dipped so low below cover line today 😕 af isn’t due until next tuesday. So confused 😩. Can anyone help?