What Causes Irregular Periods With Cramps And Heart Burn?

Hi my name ia a marta last time i got my period was last wk of april to first wk of may I'm late n took a pg test last fri came out negative took onr laat night came out negative feel bloated n a lot of prwssure with cramps n heartburn n feeling very watery down thete for the past four to five days when i had my first son well pg wirh him they thought it was an eropic pg cause i was bleeding then they saw it was a cyst while pg then gave birth two mths later has surgery it was in da tube then had my secind son a yr later and now this