Ami pregnant?

Soma

Hi,so I have a weird cycle this month my period supposed to come on April 22 ,but on April 19 I started bleeding for 3days,and I have the most pregnancy signs like nusea,sensitivity for smell ,food craving, aroela color change, but i took 3 pregnancy test all of 3 gave me negative result ,and now I have a sharp vaginal pain with white creamy discharge.does anyone have a similar experience or any idea? please help I'm so nervous. Thank u