Am so worried and confused

Adrienne
On November 4th a had weird on and off period with spotting so a took a pregnancy test on the 10th and it was negative . So a started feel sick , warm ,a weird taste in my mouth and miss period this week so last night a took another pregnancy test and it came back positive . A phoned the midwife and she's confused so i have appointment on the 8th January. Has anyone had before????