Period!?!?!?!?!!? ugh, help?!

Ok, so a few months ago, around the 17th, i got a huge BROWN blotch in my underwear and right before i got it, i had cramps and just like an upset stomach!. And then in January i got it again!. But February and March i didnt!. But earlier tonight, i had a rele big stomach ache, and cramp, and then i went to the bathroom, and i had another huge BROWN blotch!. it also had alittle bit of red in it too!.!.!.!.It seems like it was poop!. I have no clue if i have gotten my period or not now!!! is this my period!? Im 13 and i havent had sex or anything like that!. And yesterday, and the day before that i had bad cramps!. Also i have been moody and emotional!. I have also gotten alot of discharge!. Im scared to tell my mom if and wen i get my period!.!. I rele am!. Idk y, but i dont want to tell her becuz its weird for me, and she just makes it worse it seems!.
help, plz!. !?!? what going on!?Www@Answer-Health@Com

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