sore nips at 6 dpo since ovulation help please tmi

Le

hi! my last af was 1/10/18 next af due 2/9/18 positive opk on CD 15 ovulated on 1/25/18 we bd 6 days during fw a days before pos opk, on the day of + opk and 3 days after it. I've had super sore sensitive nips since. is that's a good sign? I never get sore nips it's usually my boobs a week before af or when af starts another things I've noticed is my boobs are swollen up a cup size. water creamy cm. high soft and closed cervix. help please