I am 28 yrs old and my cycle is like clockwork. I have never taken birth control, never had any complications in my lady regions, and have never, ever been late....I was 5 days late this month. I had super tender breasts and then they became very veiny. Headaches, fatigue, even a crazy night sweat, I spotted on what should have been day 5 of ol' Flo. And then had 2 days of heavy bleeding and clotting...no cramps. Now its stopped all of a sudden when I normally bleed like the bell curve for 7 days. Oh and now I have the metallic taste in my mouth. I've taken several test and they are all negative....what's up? Has anyone gone through something similar with ultimately a positive result?