Early period

I started on a new birth control, myfembree, and I’ve been on it for about a week now after stopping my period. My period lasted 9/2 - 9/6 and then I started the pill 9/7. I started my period again 9/14. Is this normal? At first it was brown, which is normal but it was sticky and a bit dry. Then now it’s a darker red but it still has hints of brown and I’m not sure if this is normal when taking BC. This is only my second BC pill after the first one didn’t work for stopping my period.