On june 17th my periods started which ended on 21 st june I had unprotected se. On 19th june nd 22nd june On 23rd june i had ipill Again on 29th june i had brownish bleeding Which i dont know is implantation bleeding or what Now in july my periods were supposed to come on 12th july ie today My cycle is very regular But today it didnt come Does that bleeding indicate implantation bleeding or what Nd if not implantation bleeding then when will my periods come As the date was of 12july