Pain!!

Corinne • leow👮🏻‍♂️ IVF💗👶🏻 09.03.2016 natural💗👶🏻 due 03.27.2019
I took an ovulation test yesterday and I had a surge so we had intercourse last night. (And we will tonight as well) 
This morning I was having the WORST sharp pains on my lower right side. Am I over thinking it or could it be possible fertilization???