9dpo help

so I have been somewhat in tune with my bodily changes, I had my period late july 6th_july 12th, right after I started opks, (clearblue digis) first day after had an empty face an then for six days afterwards I had flashing smileys, finally the 18th I received my solid. bd'd and then travelled home for ten days. I didnt really have any syptoms from 1dpo-5dpo well 6dpo night. when I went to bed i had burning and a pinching feeling an that continued for two whole days. Ive been super tired the last four days waking up late taking a nap an still feeling exhausted. Here I am at 9dpo and I have sore nipples and exhaustion and nausea when I get up in the morning.. I feel weird that I ovulated so fast after my period, anyone else think thats strange?