hey,
with my son i had a 11mm on cd12. He said i would O in 4 days .my ob then told us to DTD every second day until the the end of the month.

try not to stress about surges etc, just DTD and temp- you'll bea ble to tell if you have a thermal shift and have o'ed/ i found it easier thatn OPK's cause i alwasy got 2 lines having PCOS.

i will crosss everyhting for you i hope this is your last cycle.