Ay sis, walang linya usually means either negative or too early pa ang hormones to show up, nine days delayed is still borderline kaya tama lang mag-test ulit next week! A few of us tried testing too early and nakakagulat talaga pag ganyan, pero once the hCG level is higher (around 12-14 days delayed na), much clearer na ang result. If you get an invalid result (like walang control line kahit wala line sa test area), that usually means defective ang PT kaya bili ulit ng fresh batch next time. I'd suggest trying again in a few days or next week, pero if you want to be sure na, best talaga mag-consult sa doc para sa blood test, mas accurate at malinaw, and congrats in advance kung positive!