When should i test again

Cassi • Single Momma of Four Graci 5-7-15 Graeson 9-7-16 Gabriel 8-6-19 and Baby G due 6-25-22! Angel Momma.
Ive tested the past three day and last tuesday all BFN i am three days late for my period had period like cramps last night for about two hours and some off and on sore boobs off and on and milky white pasty cm is this pms or am i pregnant??