Hi I Am 21 Years Old On 28 April I

Hi
I am 21 years old on 28 april i got married i have pcos i did not get periods after marriage in may so in june and july i took promulit n and got periods then we ttc and doc gave me duphaston in august i got periods after duphaston i took duphaston on 11 th day of cycle twice for five days and now in sep after secound cycle of duphaston i didnt get my periods i only had pink spot on 2nd due period date and one brown spot on third due date normaly i always got my periods after 5 days of finishing meds but now its 8th day and only two spots home urine test came negative so plz tell am i pregnant or not plz tel due to hollidays my doctor is not available for ine week plz help and advise me