I feel so stupid but help please

hey so I feel so dumb posting this bit idk what to do so last month I was 2 weeks late I never took a pregnancy test because I was waiting for my husband to come back from a job put of town but by the time he came Pl back I got my period or so I though it was very light like it wasn't there but it lasted 10 days not mall my periods last 5 days for that last 3 weeks I have had extreme nausea at roighly the same time every night and around certain smells I don't know what to do ? could I actually be pregnant is it worth getting a pregnancy test or should I wait and see if I get my next period or should I go to a doctor .. advice please ?