{ "model": { "rank": 5048, "code": "thing-q964401", "model_id": "vr.tr.fertility", "name": "fertility", "purpose": "Let an agent explain fertility in its biological and demographic senses, relay factors, assessment and treatment options from reproductive medicine and demographic sources in general terms, route people with personal concerns to clinicians, and distinguish fertility from fecundity, fertility rate, infertility and the soil sense.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.STA", "industry": "", "version": "", "url": "/models/thing/q964401/", "tier": 2, "score": 70, "payload": { "layer": "wikidata", "aliases": [ "subfertility", "male fertility", "human fertility", "oncofertility" ], "aliasCount": 4, "merged": 4, "knownIn": 70, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.fertility", "source": { "dataset": "wikidata", "item": "Q964401", "url": "https://www.wikidata.org/wiki/Q964401", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T13:11:03Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q964401", "registryId": "vr.tr.fertility", "name": "fertility", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q964401/", "model": { "registry_id": "vr.tr.fertility", "name": "fertility", "purpose": "Let an agent explain fertility in its biological and demographic senses, relay factors, assessment and treatment options from reproductive medicine and demographic sources in general terms, route people with personal concerns to clinicians, and distinguish fertility from fecundity, fertility rate, infertility and the soil sense.", "definition": "The natural capability to produce offspring, in humans covering male and female fertility, subfertility where conception is delayed, and specialised areas such as oncofertility that preserves fertility before cancer treatment, and in demography the rate of births in a population; fertility depends on age, health and environment, and people with concerns should consult clinicians, since the model gives no personal medical advice.", "what_it_is_for": "Not applicable; a capability and a demographic measure.", "affordances": [ "explain senses", "relay factors and options", "route to clinicians", "distinguish related terms" ], "distinguishing_features": [ "Biological capability", "Age-dependent", "Demographic measure", "Clinical field" ], "appearance": "Not a visible object; a capability.", "visual_identification": [ "Capability to produce offspring", "Male fertility, human fertility, subfertility, oncofertility", "Fecundity is potential; fertility rate is a demographic measure; infertility is the clinical condition; soil fertility is a different sense" ], "physical_properties": [ { "quantity": "replacement fertility rate", "typical_range": "about 2.1", "unit": "children per woman", "note": "" }, { "quantity": "subfertility definition", "typical_range": "no conception after 12 months", "unit": "note", "note": "typical" }, { "quantity": "global total fertility rate", "typical_range": "about 2.3", "unit": "children per woman", "note": "2020s estimates" } ], "families_and_kinds": [ "female fertility", "male fertility", "subfertility and infertility", "oncofertility and fertility preservation", "fertility in demography and total fertility rate", "animal and plant fertility" ], "related_models": [ { "relation": "is a kind of", "target": "aptitude", "why": "in registry terms" }, { "relation": "is a kind of", "target": "extrinsically qualitative", "why": "in registry terms" }, { "relation": "is contrasted with", "target": "infertility", "why": "the clinical condition" }, { "relation": "is measured in demography by", "target": "total fertility rate", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Regulation of assisted reproduction and fertility clinics", "WHO definitions of infertility", "Data standards for fertility statistics" ], "failure_modes_and_hazards": [ "Agents giving personal medical advice", "Confusing biological and demographic senses", "Stigma and misinformation about fertility" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What fertility is.", "rationale": "Clinical.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition and senses.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is fertility, and how do biological, clinical and demographic senses differ from fecundity and infertility?", "kind": "definition" }, { "text": "Is the question about biology, demography or a personal concern needing a clinician?", "kind": "boundary" } ] } ] }, { "id": "factors", "name": "Factors", "description": "Factors.", "findings": [ { "id": "factors-finding", "name": "Factors", "description": "Factors.", "questions": [ { "text": "What factors affect male and female fertility, such as age, health and environment, as research reports?", "kind": "provenance" }, { "text": "Which entry fits the specific factor?", "kind": "action" } ] } ] } ] }, { "id": "clinical", "name": "Clinical", "description": "Assessment and options.", "rationale": "Clinical.", "layers": [ { "id": "assessment", "name": "Assessment", "description": "Assessment.", "findings": [ { "id": "assessment-finding", "name": "Assessment", "description": "Assessment.", "questions": [ { "text": "How is fertility assessed, and when is subfertility investigated, in general terms?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "options", "name": "Options", "description": "Options.", "findings": [ { "id": "options-finding", "name": "Options", "description": "Options.", "questions": [ { "text": "What options exist, from lifestyle and medicines to assisted reproduction and oncofertility preservation, as guidelines describe?", "kind": "provenance" }, { "text": "Is the user seeking personal advice, which needs a fertility specialist?", "kind": "boundary" } ] } ] } ] }, { "id": "demography", "name": "Demography", "description": "Demography.", "rationale": "Science.", "layers": [ { "id": "rates", "name": "Rates", "description": "Fertility rates.", "findings": [ { "id": "rates-finding", "name": "Rates", "description": "Rates.", "questions": [ { "text": "How are total fertility rate and other measures defined and used?", "kind": "measurement" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "trends", "name": "Trends", "description": "Trends.", "findings": [ { "id": "trends-finding", "name": "Trends", "description": "Trends.", "questions": [ { "text": "How have fertility rates changed worldwide, and what explanations do demographers offer, with positions attributed?", "kind": "provenance" }, { "text": "Which entry fits demographic transition?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Society and ethics.", "rationale": "Context.", "layers": [ { "id": "society", "name": "Society", "description": "Society.", "findings": [ { "id": "society-finding", "name": "Society", "description": "Society.", "questions": [ { "text": "How do policy, culture and economics shape fertility decisions, with positions attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] }, { "id": "ethics", "name": "Ethics", "description": "Ethics.", "findings": [ { "id": "ethics-finding", "name": "Ethics", "description": "Ethics.", "questions": [ { "text": "What ethical debates surround fertility treatment and preservation, with positions attributed?", "kind": "provenance" }, { "text": "Which entry fits reproductive ethics?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should infertility, oncofertility and total fertility rate be separate primary entries?", "How should reproductive medicine and demographic sources be linked?", "The registry entry has merged aliases naming clinical and demographic subtopics; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a fertility, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain fertility in its biological and demographic senses, relay factors, assessment and treatment options from reproductive medicine and demographic sources in general terms, route people with personal concerns to clinicians, and distinguish fertility from fecundity, fertility rate, infertility and the soil sense.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: subfertility, male fertility, human fertility, oncofertility.", "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 70 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a fertility, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "subfertility", "male fertility", "human fertility", "oncofertility" ] } ], "standing": "Described in 70 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one fertility from another, and a fertility from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a fertility sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a fertility from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a fertility passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a fertility between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a fertility, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a fertility is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What fertility is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of fertility are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is fertility operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of fertility and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of fertility?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as fertility?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a fertility came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a fertility and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a fertility is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a fertility, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a fertility, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a fertility is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }