Sharp stabbing pain at top right of head, bp at 130/80, period in 10 to 11 days. had headaches last month around same time before period. shld i wory?

Headache : Premenstrual headaches are due to a drop in estrogen. If your headaches occur about the same time each period I don't think you need to worry. However if this is a new and different and severe headache you should tell your gyne or primary care dr for a more in depth discussion.

Menstrual Migraine: It seems your headaches are related to your menstrual cycle. Suppressing the fluctuations in hormone levels with birth control pills may help