I hv missed my period in nov oct my period date was 15 th oct. done pregnancy test but it showed negative should I be worried about my period? if the result in negative should I visit a doc?

A. Already 15 days have passed and if you are not pregnant then it could be due to disturbance in hormones also so please check with your gynaecologist once because they will have to do an ultrasound to know exactly what is the problem and according to suggest you