Period

India

Period is late I have been sexually active these past 6 months. It’s irregular but always every 2 weeks it’s been 4 so far . But I’m 3 days late! On my “ expected “ period ! And my menstrual always comes way earlier then expected of what this app gives me but so far it’s been late…. 3 days .. Day 35 of my cycle… should I test ?? when should I test just in case ? what is a good pregnancy test to take ?