so i thought i got my period 3 days ago but i had cramps that were not as painful as they usually are , they were super light cramps i barely even noticed them . then i started bleeding super like kind of red pinkish blood (sorry for tmi) and usually my periods last only 2 days and i get heavy cramps and heavy flow but its weird this cycle . im scared to test . ive been so over the top emotional and my boobs are so sore and they have a tingling feeling that hurts . advice anyone ?! should i be worried?! im only 17 plzzz help