On my 2WW .. Period starts 9/5/16

Shel
 Anyone on the same boat as me ? On 2nd and third of August I had cramping and I start my period on the 8th .. Then everything was pretty normal just cranky and emotional some days then on day 15th I had back pain , diarrhea , cramping but the cramping doesn't feel like the period cramps there different I have never felt this before, I only have one ovary ! Could that be it ? Then 17th back pain and cramps and 18th just cramps , sleepy then I feel uncomfortable sleeping on my tummy like sharp little pains ..day 19th sleepy almost threw up smelling someone's bad breathe and very hungry thru out the day .. Day 20th boobs hurt really bad ...  Day 21 boobs hurt cravings cramps sleepy ...now I'm day 23 and I feel same just cramps don't happen as often and boobs don't hurt just if I press down on certain parts ? Pregnancy test negative ... Could it be too early or am I going crazy ... My bloating is bad !!! I've never felt these symptoms all at once please help ..... Has anyone got these symptoms and still start period next month ? Or all this symptoms pregnancy  symptoms ? I can't test until the 29th that's 7 days before period starts