Hi ,I am 27 yr old female married.I missed my period which is due on sept 29 ,i took hpt on Oct 4 but faint positive is seen. After 1 week again tested same faint line seen.from few days am spotting brownish to red blood only when I wipe.its not in firm of clots like.it is mucous.today I went to gynic she didn't explained anything directly kept t.v.s scan and found am pregnant and showed heartbeat.in that I am 5 weeks pregnant.she told me ur missed period(aug29) and gestational period didn't coincide and wrote hcg 50000 inj and gave .she also gave me progesterone tablets to use for 10 days.what condition I am in.please answer clearly.I am very healthy and don't have any health issues.