Feeling pregnant now confuse

I haven't have my period since October 7 took different pregnancy test 3of them 2 negative 1 positive a week later I started spotting for almost 3 weeks . not each day tho and when I was spotting always was pink and few times brown doctor said its normal and just to wait. I'm so confused at this time. So does any one what can I take or drink to have my period ?(learn more on Glow: https://glowing.com)(learn more on Glow: https://glowing.com)(learn more on Glow: https://glowing.com)