Conduct-Dissocial Disorder
Do girls show Conduct-Dissocial Disorder differently?
Yes — girls with Conduct-Dissocial Disorder (ICD-11 6C91) often show quieter, relational patterns (manipulation, exclusion, lying, truancy, running away) rather than the overt physical aggression more common in boys, so it is more easily missed. A persistent pattern, not a single phase, is the flag. Only a Pinnacle clinician can assess it.
You've noticed something in your daughter that doesn't quite fit the picture you expected — and you're right to look closer, because in girls this often shows up differently.
In short
Yes — Conduct-Dissocial Disorder (ICD-11 6C91) can present differently in girls than in boys, and that difference is one reason it is more easily missed in girls. Boys more often show overt, visible aggression — fighting, destroying property, open defiance. Girls more often show relational patterns — manipulation, exclusion of peers, lying, running away, truancy, and verbal rather than physical aggression. The behaviours are no less serious; they are simply quieter, which means a girl who needs support can be overlooked or labelled merely "difficult".How it can look different in girls
These are patterns clinicians watch for — not a checklist, and not a diagnosis:- Relational over physical — damaging friendships, spreading rumours, social exclusion rather than hitting
- Covert rule-breaking — repeated lying, staying out, truancy, running away from home
- Internalising alongside — anxiety, low mood or self-harm can sit alongside conduct difficulties, masking the underlying pattern
- Later or subtler onset — some girls show concerns nearer adolescence rather than early childhood
What matters is a persistent, repetitive pattern over time that breaks age-appropriate social rules or others' rights — not a single hard phase or an ordinary clash. Every child pushes limits; that alone is not a disorder.
When to seek a look
Consider an assessment if behaviours are persistent (months, not days), are affecting school, friendships or family safety, or come with low mood, anxiety or self-harm. Earlier understanding means kinder, more effective support — and protects your daughter's relationships and confidence.The Pinnacle way
A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care — never from an online form or a list of signs. Our clinicians look at the whole child — emotional regulation, family context and strengths — through behavioural and emotional support, so a girl's quieter presentation is recognised rather than missed. The goal is understanding and a plan, never a label.Trusted sources
WHO ICD-11 (6C91, Conduct-Dissocial Disorder); American Academy of Pediatrics guidance on disruptive behaviour; NICE guidance on conduct disorders in children and young people.Next step — If this pattern feels familiar, the kindest move is to check. Book a developmental and behavioural assessment with a Pinnacle clinician.
What to watch
Watch for a persistent pattern over months — relational aggression, repeated lying, truancy or running away — especially if it sits alongside low mood, anxiety or self-harm, or affects school, friendships or family safety.
Try this at home
Notice and name the warm moments: when your daughter handles frustration or includes a friend, say so specifically. Calm, consistent attention to what goes right builds the regulation that harsh consequences alone cannot.
Trusted sources
Developed by SETU Consortium · Pinnacle Blooms Network · Last reviewed 2026-06-10 · reviewed every 365 days
This is general information, not a diagnosis. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care.
Frequently asked
Why is Conduct-Dissocial Disorder missed more often in girls?
Girls more often show relational patterns — exclusion, lying, manipulation, truancy — rather than the visible physical aggression seen more in boys. Because it is quieter, a girl who needs support can be labelled merely 'difficult' and overlooked. A clinical assessment looks beyond the surface.
Is one phase of defiant behaviour a sign of conduct disorder?
No. Every child tests limits, and a single hard phase is not a disorder. Clinicians look for a persistent, repetitive pattern over months that breaks age-appropriate rules or others' rights — and only a qualified clinician can determine this.
Can anxiety or low mood appear alongside conduct difficulties in girls?
Yes — in girls, internalising signs like anxiety, low mood or self-harm often sit alongside conduct difficulties and can mask the underlying pattern. This is one reason a whole-child assessment matters rather than judging behaviour alone.