How long before PID affects your fertility?

[Kaitlyn341]

Hey..so i went to the doctor a few days ago because i was having pelvic pain for a week, and the month before i experienced bleeding after sex so she sent me to be tested for chlamydia and on the paper it said that my level was 50 and 25 is a positive, so i took it back to her and she prescribed me doxycycline, she didn't explain anything at all to me, how do you know if your chlamydia developed into a PID? How long before it affects your fertility? Can you conceive while you have the infection? Because my boyfriend and i don't use protection and there's a possibility that i might be, or does the infection prevent you from becoming pregnant..? Can you see scarring on reproductive organs through an ultrasound?