Talk to Gynecologist on Gynaecology

Meri expected menses ki date 12 ti lekin abi tk hue nae. last time 20th August ko hue te. My menses are just like a clock work, 1-2 r maximum 3 days, is se xada +/- nae hota... Strip test filhaal negative h. Isk ilawa 2 weeks approx hogaye hain nexum nihaar munh r anafortan le Rae hun 1+1. What could be the reason behind delay? Thanks in anticipation...