Should I test already

jazzyy🍪

I’m 16 days late 😪 I’ve been so excited if thinking that I might be pregnant but I’m scared to test it and comes out negative 😕 my period was supposed to come the 27th if December what should I do any advice ? I’ve been getting symptoms of nausea, backache, sore breast and sometimes I get hungry and sometimes I just want to throw up 😪 what should I do pleasee help🙁 I want a babby