My face is breaking out which this is really the first time ever i mean yeah i get a little pimple?

here and there as does everyone but also im very emotional and my stomach almost always hurts i had a cyst on my ovarie about 7 weeks ago but it went away finally im 3 weeks late on my period but i have taken 3 pregnancy test and they all say negative anyone have any ideas of what could be wrong with me?|||you could be pregnet and the just didn%26#039;t show up on the at home tests. go see a doc