What Causes A Light Period With Nausea And Vomiting?

I had my tubes tied 9yr ago ..we have decided to try for 1 more...This month my period came a week early only lasting 4 days. .. im a normal 7 to 10 day cycle..extremely heavy... I am nauseous. I am vomiting my back hurts my boobs hurt..im weak.. and aparently cant eat chicken anymore that's what makes me sick no matter where its from or how its cooked. And I feel bloated grr.. please help..