7dpo head ache city and mild cramps

7dpo wicked headache take two..ow! ouchie! I never get the head aches... now I've had two in the past few days... took two tylenol and that seemed to really help a lot. Also have lower right back/flank dull aches closer to the hip then flank though. Some kind of mild crampy feelings in lower right front area. Near ovaries... negative OPK. Eggwhite kind of cm? Still? clear and sticky at any rate but seems to be creamy further up. Cervix appears to be really high and really firm.. or open... can't tell.. felt like it was closed and hard or bumpy.