I'm bleeding now and it's like period blood but no pains 😔

i dont know if this implantation bleeding or starting of period help me

Somebody please help me!! ....I had my period June 21-27th and on July 2nd and by that point I was off my period for 5-6 days already I started bleeding bright red then pink brown and I told my sister and she said it could be implantation bleeding and ever sense then I been feeling cramps like mild cramps and throw upy and then on July 4th I started to bleed again bright red then pink brown then brown and by that point I was 7-8 days off my period still feel cramps from time to time and throw up...

For four days I been bleeding brown blood does anyone know why? I already had my period

I want to know it's okay to have sex on ur period cuz I did and can u still bleed after sex