Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek emergency care for very heavy bleeding, fainting, severe or rapidly worsening pain, difficulty breathing, confusion, or other signs of serious illness.
These symptoms are not specific to Asherman syndrome, but they can signal a pregnancy or bleeding emergency.
Contact the treating clinician promptly for fever, worsening pelvic pain, foul-smelling discharge, or bleeding that is heavier than expected after a procedure.
These symptoms may need urgent assessment.
During pregnancy, urgent assessment is also appropriate for significant bleeding, severe abdominal or pelvic pain, shoulder pain, marked dizziness, or fainting.
Follow-up is important because symptoms alone do not always show whether the cavity has healed.
Periods may become heavier after treatment, but this does not prove that all adhesions are gone.
Likewise, light bleeding does not always mean that treatment failed.
Routine follow-up may include discussion of:
The article also says
A clinician may recommend a repeat hysteroscopy or an imaging test after healing begins.
This is sometimes called a second-look procedure.
It can identify recurrent adhesions while they are still relatively thin and may allow them to be treated.
Every sign above is quoted from the sofidex article on Asherman syndrome. If you are not sure, err upward — it is always reasonable to be checked.