Got my BFP 2 days ago - here are my symptoms following O.
O'd - Tuesday 14 May
1-6 DPO - Nothing really
6 DPO - Starting getting sore bbs and cramping lightly
7-9 DPO - Light bleeding (implantion) - thought AF had come early
9-12 DPO - Light cramping again - no more bleeding. Very sore bbs
13-14 DPO - Light cramping. Took Clearblue Digital test on DPO 14 at got a big fat 'Pregnant' with 2-3 weeks conception.
Took another two cheepy tests just to make sure and all were positive.
Good Luck Ladies.