I had oral sex with my bf on 23rd October and my periods were due on 1st nov. They came late by a week (presumably because i took a lot of stress regarding why it wasn't happening). My cycle usually lasts for 4-5 days. However this time it lasted for 3 days, although the flow was good on the 1st day and from 2nd day night it started to lessen. So I was a bit confused whether it was period or implantation bleeding. Just to be sure i took a urine
pregnancy test the very next day and it came negative. Recently, I read on net that pregnancy test immediately after implantation bleeding doesn't give an accurate result so its better to do it later. So should i take one more or was the previous one reliable enough?