{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.male-contraceptive","code":"thing-q949861","url":"https://ver.cy/models/thing/q949861/","name":"male contraceptive","alternateNames":["Male birth control pill","hormonal male contraceptives","male contraceptive agent"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A male contraceptive is a device, substance, or other intervention used by a sperm-producing person to prevent conception by blocking sperm transfer or suppressing sperm production, transport, or fertilizing function.","purpose":"Enable an AI agent to recognise a male contraceptive, record its mechanism and evidence, and determine which handling or use decisions its documented status supports.","scope":{"in":["Methods include barrier products, administered substances, implanted or inserted objects, procedures such as vasectomy and behaviours such as withdrawal.","The reproductive process targeted and the means of preventing conception are included.","Conditions for establishing, maintaining and ending contraceptive protection are included.","Contraceptive performance, safety and reversibility evidence are included.","Product integrity where applicable, method requirements and jurisdiction-specific availability are included."],"out":["Contraceptives used on or in a partner's reproductive body are excluded.","Individual patient records, prescribing decisions and clinical care plans are excluded.","General infertility conditions and fertility diagnostics are excluded.","Brand catalogues, individual stock units and manufacturing facilities are excluded."],"boundaries":[]},"distinguishingFeatures":["Its documented intended purpose includes preventing pregnancy; an incidental effect on fertility is insufficient.","Its contraceptive function solely involves male physiology by affecting sperm production, transport, transfer or fertilizing function.","The referent is a contraceptive method that may involve a device, substance, procedure, regimen or behaviour.","It prevents a step leading to conception rather than terminating an established pregnancy.","Contraceptive purpose and protection against sexually transmitted infections are separate claims, each requiring its own evidence."],"structure":{"bundles":[{"id":"contraceptive-identity","name":"Contraceptive identity","description":"Establishes what physical thing is being modelled and why it qualifies as a male contraceptive.","layers":[{"id":"physical-referent","name":"Physical referent","description":"Locates the object or substance within its associated contraceptive method.","findings":[{"id":"product-method-boundary","name":"Product and method boundary","description":"Record the physical referent separately from the activity or regimen through which it is used.","questions":[{"text":"What physical product or substance does this entry denote?","id":"product-method-boundary-q01","kind":"definition"},{"text":"Which associated procedures, behaviours or regimens require links to neighbouring models?","id":"product-method-boundary-q02","kind":"boundary"}]}]},{"id":"intended-contraceptive-purpose","name":"Intended contraceptive purpose","description":"Tests contraceptive intent and the relevant reproductive body.","findings":[{"id":"intended-use-basis","name":"Intended use basis","description":"Identify evidence that pregnancy prevention is an intended function rather than an incidental fertility effect.","questions":[{"text":"Which source establishes a contraceptive purpose for this product or substance?","id":"intended-use-basis-q01","kind":"provenance"},{"text":"What anatomical application or administration makes it a male contraceptive within this entry's scope?","id":"intended-use-basis-q02","kind":"boundary"}]}]}]},{"id":"mechanism-and-protection","name":"Mechanism and protection","description":"Relates the contraceptive mechanism to the conditions under which protection is expected.","layers":[{"id":"reproductive-target","name":"Reproductive target","description":"Identifies the biological or physical step the contraceptive changes.","findings":[{"id":"mechanism-chain","name":"Mechanism chain","description":"Record the proposed or demonstrated chain from deployment to prevention of conception.","questions":[{"text":"Does the contraceptive exclude sperm, alter production or function, obstruct transport, or act through another documented mechanism?","id":"mechanism-chain-q01","kind":"definition"},{"text":"Which parts of the mechanism are demonstrated, and which remain hypotheses?","id":"mechanism-chain-q02","kind":"provenance"}]}]},{"id":"protection-window","name":"Protection window","description":"Describes onset, continuity and termination of the intended contraceptive effect.","findings":[{"id":"protection-conditions","name":"Protection conditions","description":"Record timing and verification requirements without assuming that application or administration immediately establishes protection.","questions":[{"text":"What elapsed time, deployment condition or verification endpoint establishes the claimed onset of protection?","id":"protection-conditions-q01","kind":"measurement"},{"text":"What events end or interrupt protection, and what documented action is required before protection can be relied upon again?","id":"protection-conditions-q02","kind":"action"}]}]}]},{"id":"performance-and-evidence","name":"Performance and evidence","description":"Organises pregnancy prevention claims and the evidence supporting them.","layers":[{"id":"contraceptive-outcomes","name":"Contraceptive outcomes","description":"Makes reported performance interpretable under its study conditions.","findings":[{"id":"effectiveness-endpoints","name":"Effectiveness endpoints","description":"Distinguish pregnancy outcomes from surrogate measures and preserve the denominator and observation period.","questions":[{"text":"Is the reported endpoint pregnancy, sperm concentration, sperm function, barrier integrity or another measure?","id":"effectiveness-endpoints-q01","kind":"measurement"},{"text":"What population, exposure denominator, observation period and use conditions accompany the result?","id":"effectiveness-endpoints-q02","kind":"measurement"},{"text":"What evidence supports translating any surrogate endpoint into a contraceptive protection claim?","id":"effectiveness-endpoints-q03","kind":"provenance"}]}]},{"id":"claim-maturity","name":"Claim maturity","description":"Separates research evidence, authorised indications and access conditions.","findings":[{"id":"dated-claim-status","name":"Dated claim status","description":"Associate each availability or authorisation claim with a specific product, jurisdiction and date.","questions":[{"text":"Which dated study records or regulatory documents support this product's claimed status?","id":"dated-claim-status-q01","kind":"provenance"},{"text":"Does that status apply to this exact formulation, device configuration and intended use?","id":"dated-claim-status-q02","kind":"boundary"}]}]}]},{"id":"deployment-and-integrity","name":"Deployment and integrity","description":"Captures the physical and operational conditions required for the contraceptive to perform its intended function.","layers":[{"id":"use-requirements","name":"Use requirements","description":"Identifies modality-specific dependencies for correct deployment and continued use.","findings":[{"id":"deployment-dependencies","name":"Deployment dependencies","description":"Record applicable fitting, administration, placement and maintenance requirements from product-specific instructions.","questions":[{"text":"Which fit, dose, route, placement or timing requirements are necessary for the documented contraceptive effect?","id":"deployment-dependencies-q01","kind":"measurement"},{"text":"Which steps may the user perform, and which require a qualified practitioner or study team?","id":"deployment-dependencies-q02","kind":"action"}]}]},{"id":"failure-and-condition","name":"Failure and condition","description":"Connects observable product condition and use events to possible loss of contraceptive function.","findings":[{"id":"modality-specific-failure","name":"Modality-specific failure","description":"Select applicable failure modes, such as barrier damage or slippage, degraded formulation, missed administration or device displacement.","questions":[{"text":"Which storage limits, expiry conditions, material incompatibilities or deployment failures are documented for this modality?","id":"modality-specific-failure-q01","kind":"provenance"},{"text":"Which observations warrant replacement, interrupted reliance or referral under the applicable instructions?","id":"modality-specific-failure-q02","kind":"action"}]}]}]},{"id":"safety-and-fertility-return","name":"Safety and fertility return","description":"Separates bodily effects, partner exposure, infection protection and recovery of fertility.","layers":[{"id":"effects-and-claim-limits","name":"Effects and claim limits","description":"Records relevant safety evidence and the boundaries of protection claims.","findings":[{"id":"user-and-partner-effects","name":"User and partner effects","description":"Identify documented adverse effects, exposure pathways and restrictions relevant to the user or partner.","questions":[{"text":"What local, systemic, sexual-function or partner-exposure effects have been investigated for this modality?","id":"user-and-partner-effects-q01","kind":"provenance"},{"text":"Which documented conditions or interactions restrict use or require clinical assessment?","id":"user-and-partner-effects-q02","kind":"action"}]},{"id":"infection-protection-boundary","name":"Infection protection boundary","description":"Keep infection protection claims distinct from contraceptive performance.","questions":[{"text":"Is protection against any specified sexually transmitted infection claimed for this exact product and use?","id":"infection-protection-boundary-q01","kind":"boundary"},{"text":"What evidence supports the claimed infection protection and its limitations?","id":"infection-protection-boundary-q02","kind":"provenance"}]}]},{"id":"discontinuation-and-recovery","name":"Discontinuation and recovery","description":"Distinguishes stopping use, ending contraceptive effect and demonstrating return of fertility.","findings":[{"id":"reversibility-pathway","name":"Reversibility pathway","description":"Record whether recovery requires cessation, removal or another intervention, and which recovery outcomes have actually been observed.","questions":[{"text":"What documented steps end use or remove the contraceptive, and who can perform them?","id":"reversibility-pathway-q01","kind":"action"},{"text":"Which endpoint demonstrates recovery, over what follow-up period, and with what uncertainty or incomplete recovery?","id":"reversibility-pathway-q02","kind":"measurement"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of male contraceptive this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain the methods available and in research, their effectiveness and limits, from reliable health sources.","Point people to qualified clinicians and lawful suppliers."],"mustNot":["Recommend a method as suitable for a specific person.","Advise on obtaining or using unapproved or experimental products.","Apply pressure on anyone to use or not use contraception.","Disclose a person's contraceptive use without consent."],"requiresHuman":["Any decision on vasectomy or other procedures."]},"ethics":{"considerations":["Contraceptive choice is a matter of bodily autonomy for each partner.","Responsibility for contraception has fallen unevenly on women; fair information matters."],"affectedParties":["Users","Their partners","Research participants"]},"owners":{"steward":"Each user decides for their own body; regulators approve products and clinicians provide procedures.","roles":[],"masterSystems":["National medicines and medical device registers"]},"relations":[{"target":"Q25473183","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.male-contraceptive","Wikidata: Q949861 (https://www.wikidata.org/wiki/Q949861)"]},"properties":{"applicability":"required","items":["Physical modality: barrier product | administered substance | implanted or inserted object | other documented modality","Contraceptive mechanism: physical sperm exclusion | suppression of sperm production | interference with sperm function | obstruction of sperm transport | other documented mechanism | unresolved","Application or administration site: documented anatomical site and route","Protection onset: elapsed time in minutes, hours or days under a specified protocol; immediate, conditional or unknown where appropriate","Protection duration: per act or elapsed time with explicit maintenance and interruption conditions","Pregnancy prevention outcome: pregnancies per specified exposure denominator and observation period, with population, use conditions and uncertainty","Reversibility evidence: documented return of specified fertility endpoint | incomplete evidence | intended permanent effect | unknown","Infection protection claim: supported for specified infections and conditions | unsupported | not claimed | unknown","Use readiness: ready under documented conditions | preparation required | compromised | expired | indeterminate","Regulatory and research status: product or modality linked to dated authorisations, restrictions or study records in a named jurisdiction"]},"recognition":{"applicability":"required","items":["Condoms come rolled in sealed foil or plastic packets marked with an expiry date."]},"capabilities":{"applicability":"required","items":["Classify a candidate as a physical male contraceptive and link its associated method or procedure.","Compare contraceptive claims using matched endpoints, populations and exposure periods.","Identify documented prerequisites for protection and conditions that interrupt it.","Flag compromised integrity, unsupported claims or missing evidence for review.","Retrieve applicable instructions for deployment, maintenance, discontinuation or removal.","Separate pregnancy prevention, fertility recovery and infection protection claims."]},"hazards":{"applicability":"required","items":["Methods fail if used incorrectly or past their expiry date.","Latex can cause allergic reactions.","Experimental hormonal methods can have side effects still being studied."]},"interfaces":{"applicability":"required","items":["ISO 4074 Natural rubber latex male condoms, International Organization for Standardization."]},"context":{"applicability":"required","items":["Male contraceptives are encountered in family planning, sexual health services and contraceptive research.","They are used by sperm-producing people to reduce the likelihood of conception through effects on sperm production, transport or transfer.","Clinical and research records distinguish the intervention's mechanism, reversibility and documented evidence."]}},"sources":[{"title":"Wikidata item Q949861: male contraceptive","url":"https://www.wikidata.org/wiki/Q949861","note":"identity and sense of the item"},{"title":"Wikipedia: Male contraceptive","url":"https://en.wikipedia.org/wiki/Male_contraceptive","note":"general description of the item"}],"openQuestions":["Does the registry intend only physical contraceptive products and substances, or an umbrella that also includes procedures and behavioural methods despite its PHY.OBJ classification?","Which existing Vercy models already cover contraceptives, condoms, contraceptive substances or implanted devices, and what should this entry inherit or link to?","Which modalities and specific products have sufficiently documented evidence and current jurisdiction-specific status to populate the model?","Which performance endpoints can be compared across modalities, and which must remain separate because their denominators or use conditions differ?","What evidence establishes fertility recovery and longer-term user or partner effects for each included modality?"],"resources":{"spec":"/models/things/publications/thing-q949861/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q949861/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:08:28Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:35+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}