is it to soon to know? please help!

Franchesca
My husband and I BD on the 11th and I'm pretty sure I conceived that night yesterday was a week from that night and I had the moderate cramping with crazy sharp boob pain and I couldn't keep my eyes open at all u just wanted a bed! and I was nauseous today I woke up and there is the cramp pain again but now it on my right side and u am starving this might sound crazy but did I conceived did I feel implantation yesterday ??? please help BTW I got AF the 13 and it was pretty light 1 heavy day a light two days and day 4 and 5 just spotting someone please help!!