I'm confused this month as Natural Cycles are telling me different things (they're both usually exactly the same)
I got + OPK's on;
CD14 (21st Dec)
CD15 (22nd Dec)
FF has ovulation as CD 13 (20th Dec)
NC has ovulation as CD 15 (22nd Dec)
I usually have a 26 day cycle and today is CD 27 and no AF as yet.