Just wondering

Hello everyone...question...I have six kids triplets in the bunch i had my tubes tied after my fith child and five years later got endometriosis had surgery for that they took scare tissue out then 2 months later i was pregnant after i gave birth they supposedly took one of my tubes out...ok that was just a little back ground....so know this month i come on my period and it only last 4 days wow very short period for me considering i usually stay on for about 9-10 days....it just like it disappeared n my whole stomach has been cramping very unusual for me and i usually cramp before i come on i didnt i was just very very emotional but the part thats weird is the short period n my whole entire stomach cramping what could be the problem...maybe im crazy lol