I have the same as what you described. I was lucky enough to get a haemorrhoid after the birth of my first son (2006) and have had it since then. I have gotten it checked by the doctor after the birth of my second son and she said that it had turned into a skin tag.
Now I still have bleeding sometimes when I go to the toilet after giving birth to DS3 over 5 months ago now.
Sometimes it is fine and other times it bleeds quite a lot. Even if it's quite soft.
I hope the doctor can help. My doctor just told me to make sure I take plenty of fibre and try not to strain.