Vulva

External female genital anatomy: mons pubis, labia majora, labia minora, clitoral hood, perineum. Dimensions are drawn from aesthetic-gynecology and plastic-surgery literature (Hodgkinson, Motakef, Felicio, Lloyd) and from the Lloyd 2005 study of female genital morphological variation. The schema is published in the canonical vocabulary for academic transparency and ontology interoperability; **observations against these dimensions are not populated from public-domain photographs**, are not exported to the HuggingFace dataset, and any data collection requires explicit consent and source documentation. See the `observations_source_policy: "internal_only"` file-level flag and the README's two-layer extension model.

Dimensions

• Labia majora — size

  not from photo

  ordinal · labia_majora_size_qualitative

  Relative size of the labia majora envelope from the mons pubis to the perineum.

  Lloyd J, Crouch NS, Minto CL, Liao LM, Creighton SM (2005). Female genital appearance: 'normality' unfolds. BJOG, 112(5): 643-646.

  Valid values (3)

  • small_atrophicSmall / atrophic— Limited subcutaneous fullness; minimal coverage of underlying structures. Common with low body-fat percentage and after menopause.
  • moderateModerate— Average labia majora fullness.
  • fullFull— Pronounced subcutaneous fullness; substantial coverage of underlying structures.

• Labia majora — pigmentation

  not from photo

  ordinal · labial_pigmentation_qualitative

  Pigmentation of the labia majora relative to surrounding pubic / inner-thigh skin.

  Pigmentation differential common in dermatology and aesthetic-gynecology literature; aligned with the descriptors used in Hauben & Mahler 1983-style relative-pigmentation analysis.

  Valid values (3)

  • matches_surroundingMatches surrounding skin— Labial pigmentation similar to surrounding pubic skin.
  • moderately_darkerModerately darker— Visible darkening of labial skin relative to surrounding.
  • markedly_darkerMarkedly darker— Strongly pigmented labia substantially darker than surrounding skin. Constitutional in some populations; also age- and hormone-related.

• Labia minora — protrusion

  not from photo

  categorical · motakef_2015

  Position of the labia minora edge relative to the labia majora edge. The Motakef simplified classification is the contemporary standard.

  Motakef S, Rodriguez-Feliz J, Chung MT, Ingargiola MJ, Wong VW, Patel A (2015). Vaginal labiaplasty: current practices and a simplified classification system for labial protrusion. Plastic and Reconstructive Surgery, 135(3): 774-788.

  Valid values (4)

  • class_1_no_protrusionClass I — no protrusion— Labia minora contained entirely within the labia majora; not visible at rest with legs together.
  • class_2_protrusion_under_3cmClass II — protrusion <3 cm— Labia minora protrude beyond the labia majora by less than approximately 3 cm.
  • class_3_protrusion_over_3cmClass III — protrusion ≥3 cm— Labia minora protrude beyond the labia majora by approximately 3 cm or more.
  • asymmetricAsymmetric— Notable left-right protrusion difference as the dominant feature.

• Labia minora — morphology

  not from photo

  categorical · labia_minora_shape_qualitative

  Edge morphology and contour of the labia minora.

  Aesthetic-gynecology shape descriptors aligned with Felicio (1992) and subsequent classification literature.

  Valid values (4)

  • smooth_edgedSmooth-edged— Even, smooth labial edges without significant ruffling or scalloping.
  • ruffledRuffled / scalloped— Visible scalloping or rippling along the labial edge.
  • thickenedThickened— Visibly thicker labial tissue along the edge.
  • thin_attenuatedThin / attenuated— Reduced labial tissue thickness.

• Labial symmetry

  not from photo

  ordinal · labial_symmetry_qualitative

  Degree of left-right labial symmetry. Substantial constitutional asymmetry is common; this dimension captures the visible degree.

  Aligned with surgical-gynecology symmetry descriptors.

  Valid values (4)

  • symmetricSymmetric— No discernible left-right asymmetry.
  • mild_asymmetryMild asymmetry— Subtle left-right size or shape difference.
  • moderate_asymmetryModerate asymmetry— Clearly visible left-right difference.
  • marked_asymmetryMarked asymmetry— Substantial left-right divergence; one side notably larger or differently shaped.

• Clitoral hood morphology

  not from photo

  categorical · clitoral_hood_qualitative

  Coverage of the clitoral glans by the prepuce (clitoral hood).

  Aesthetic-gynecology descriptors; aligned with the Hodgkinson tradition and subsequent labiaplasty / hoodoplasty literature.

  Valid values (4)

  • coveredCovered— Glans fully concealed by prepuce at rest.
  • partial_exposurePartially exposed— Glans partially visible at rest; prepuce covers a portion.
  • fully_exposedFully exposed— Glans visible at rest; minimal prepuce coverage.
  • redundant_hoodedRedundant / hooded— Pronounced prepuce with excess folds; multiple visible folds laterally.

• Mons pubis prominence

  not from photo

  ordinal · mons_prominence_qualitative

  Anterior projection of the mons pubis from the pubic bone, primarily a function of subcutaneous fat.

  Aligned with body-contouring and abdominoplasty literature on suprapubic / mons-pubis fullness.

  Valid values (3)

  • flatFlat— Minimal subcutaneous fullness; pubic bone palpable just under skin.
  • moderateModerate— Average mons pubis prominence.
  • prominentProminent— Substantial subcutaneous fullness; pronounced anterior projection. Common with elevated BMI.

• Perineal distance

  not from photo

  ordinal · perineal_body_qualitative

  Distance from posterior fourchette to anterior anal margin (perineal body length).

  Aligned with obstetric and pelvic-floor literature on perineal-body length (PBL).

  Valid values (3)

  • shortShort— Perineal body shorter than approximately 2.5 cm.
  • normalNormal— Perineal body approximately 2.5-4 cm.
  • longLong— Perineal body longer than approximately 4 cm.

• Introitus visibility at rest

  not from photo

  ordinal · introitus_visibility_qualitative

  Visibility of the vaginal introitus at rest, a function of labial size and protrusion together.

  Aligned with pelvic-anatomy descriptors used in obstetric / aesthetic-gynecology literature on labial morphology.

  Valid values (3)

  • concealedConcealed— Introitus not visible at rest with legs together; fully covered by labia.
  • partial_visiblePartially visible— Introitus partially visible; labia minora separated or short.
  • exposedExposed— Introitus visible at rest; minimal labial coverage.