Me and DH have been ttc for nearly 2 years now and for the first time this month i tried an opk it said i ovulated around the 22nd and 23rd of this month we had sex most morning for a week and four days after with some evenings now tonight i have light spotting but periods not due until tue as i have a 30-31 day cycle my breasts are really sore and two nights ago i was that cold in bed i thought i was coming down with something, could it be possible i have just started my periods early any advice please......