wating

Hi im new to this site me and my bf have been trying for about 9months and now all of a sudden im always hungry and having a lot of cramping and gas and craving weird food and when lay down at night. I feel something like a flutter and my bf say my atitude have change im a little snappy towards people if i am i dont notice it. And the other day i picked up a a baby about three months and bust out crying like i did something to her and she wouldnt stop crying until i hand her over to someone then she stoped so i was like let me try this again so she started cryin again so do anybody know what this me could these be signs of pg anybody knows