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Menstrual Disorders

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Menstrual BleedingAka: Menses, Menarche

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  1. See Also
    1. Menstrual Cycle
  2. Definitions
    1. Normal Cycles
      1. Cycle Duration: 28 days (21-35 days)
      2. Days of Flow: 4.6 days (2-8 days)
      3. Estimated Blood Loss: 35 ml per cycle (20-80 ml)
    2. Abnormal Cycle Length
      1. Polymenorrhea: less than 21 day cycles
      2. Oligomenorrhea: greater than 35 day cycles
      3. Metrorrhagia: Irregularly frequent menses
    3. Abnormal Menstrual Flow
      1. Menorrhagia (Hypermenorrhea)
        1. Over 80 cc blood loss per cycle
        2. More than 7 days of menstrual flow
      2. Menometrorrhagia (Metrorrhagia and Menorrhagia)
        1. Prolonged, irregularly frequent, heavy menses
    4. Dysfunctional Uterine Bleeding
      1. Excessive, prolonged, or irregular uterine bleeding
  3. Ages of Menstrual Landmarks
    1. Thelarche: (10.2 to 11.3 years)
      1. Precedes menarche by 24 months
    2. Menarche: 12.8 years (9.1 to 17.7 years)
      1. Precedes regular menses by 12 months
      2. Anovulatory Cycles predominate initially
        1. Years 1 to 2 after menarche: 55-85% of cycles
        2. Years 3 to 4 after menarche: 30-50% of cycles
        3. Years 5 to 6 after menarche: <20% of cycles
    3. Menopause: 51.4 years (48 to 55 years)

Menarche (C0025274)

Definition (MSH)The first MENSTRUAL CYCLE marked by the initiation of MENSTRUATION.
Definition (GO)The beginning of the menstrual cycle; the first menstrual cycle in an individual. [http://cancerweb.ncl.ac.uk/]
Definition (NCI)Onset of menses.
ConceptsOrganism Function (T040)
MSHD008572
EnglishMenarche
Spanishmenarca
Parent ConceptsReproductive function (C0232896), development of secondary female sexual characteristics (C1160572), menstrual cycle phase (C1818633), Puberty (C0034011), Reproductive System Process (C1514870), Female genitalia finding (C0425818), Finding related to menstrual cycle (C1298762)
SourcesAOD, COSTAR, DXP, GO, LCH, MSH, NCI, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)


Menstruation Disturbances (C0025345)

Definition (CSP)variations of menstruation or the menstrual cycle which may be indicative of disease.
Definition (MSH)Variations of menstruation which may be indicative of disease.
ConceptsPathologic Function (T046)
MSHD008599
EnglishAbnormal menstruation, DISORDER MENSTRUAL, Disorder of menstruation, Menoxenia, menstrual cycle disorder, MENSTRUAL DISORDER, menstrual disorders, Menstrual problem, MENSTRUATION DIS, Menstruation Disorder, Menstruation Disorders, Menstruation Disturbance, Menstruation Disturbances, Paramenia, Period disorder, Period problem, Problem of menstruation
Spanishalteracion menstrual, menoxenia, menstruacion anormal, paramenia, problema menstrual, trastorno menstrual
Parent ConceptsFemale Genital Diseases (C0017411), Female Reproductive System Disorder (C0236100), Menstruation Disturbances (C0025345), UTERINE/ENDOMETRIAL DISORDERS (C0549623), Pathologic Processes (C0030660), Genitourinary Signs and Symptoms (C1333811), Reproductive System Finding (C1335757), Disorder associated with menstruation AND/OR menopause (C1263764), Ambiguous concept (C1274012), Duplicate concept (C1274013), Navigational concept (C1285556)
SourcesCCS, COSTAR, CSP, CST, LCH, MSH, MTH, NCI, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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