Menarche Age At Quantitative Trait Locus 3 C2752069
A genetic region associated with the age at first menstrual period. It influences female adolescents during puberty. Considered a hereditary factor rather than a disorder.
Key facts at a glance
- ICD-10
- Q55.9
- ICD-11
- LA00.0
- Body system
- reproductive
- Severity
- mild
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(reproductive)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Irregular menstrual cycles
(reproductive)Early menarche (before age 12)
(reproductive)Primary amenorrhea
(reproductive)Premature ovarian insufficiency
(reproductive)Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy