TWW!!! READY TO TESTTTT 😞

😩 I’ve NEVER had the metallic taste..like blood or something... NEVER, but I know it’s always a first time for everything... based on opks , I ovulated FOR SURE between the 20th-21st... had ovulation pains 21st-22nd... so I’m almost 6-7dpo... last night I couldn’t lay on my back it felt like I was having heartburn, I was finna throw up or SOMETHING ... today metallic taste this morning for bout a hr & now it’s BACk & acid reflux almost all day... AF due 02/04. When can I test????