Implantation bleeding

Francesca β€’ I have a little boy age 3, Rueben! , 17months TTC, I finally got my βž• on the 24th October πŸ’«πŸ‘ΆπŸΌ
If you had inplantation eeding when you fell pregnant, how long did it last for? and how many days before your A/F did it start?
Soooo despatate for a baby nearly 12 months of trying πŸ˜ͺ