Talk to Gynecologist on Headache/ Pcos

Salam.

Ok so my periods date is 14-15th. But last month June, I got periods on 15th and then again on 28th. Two times last month.

This month July I didn’t get periods on 15th or on 28th, And I’m feeling headache from last 2-3 days. Yesterday was my periods date. But it didn’t came. I checked pregnancy test from strip at home . But it was negative. What to do now ??

Also i have pcos. And my periods were irregular before February. After February I lost good weight and from then my cycles are regular Alhumdulillah.

Can you pls guide what to do ? Also is this headache related to this ? Pls help!