Help???!!

Just checked my daily cm & cervix position im 5dpo got a positive ovulation test & yesterday a clear neg with faint line when checking my cervix is medium/high gone back softish & is now closed when iv pulled my fingers out they was covered in thick creamy discharge when i wiped it on tissue had a yellowish tinge but looked white on fingers iv deffo no infection or anything as been tested due to periods been abit off after mc a year ago anyone any ideas? Also discharge was in my knickers & a brownish discharge stain