Hey You Guys I Really Need Some Help Because I'm confused ...

Last Month On July 11th was The Day I Had unprotected Sex Before My Period which was July 12th my period lasts 6 days but with my period for July Was A lot Different My Period only lasted 2 days And went off 4 days early on July 13th it slowed down And Was Really Light On July 14th I notic some egg yok type discharge with a little pink I didn't really pay it any mind til the 15th nothing was there at all ...When the month of August Came I started noticing I had creamy white discharge it didn't smell and had no other symptoms that came along with it on July 31st Around 6:30 in the moring I woke up because I had to throw up the hole day I didn't feel like myself on August 7th I Was Supposed To Receive My Period And I've Yet Gotten A Visit From Aunt Flow I've been having extreme nausea my sense of smell is at an all time high I get butterflies I have mild cramps and I have food cravings and I still have this creamy discharge that seems to be a lot heavy at times my question is is it a possibility I could be pregnant?