{"count":2,"index":{"built_at":"2026-07-28T00:04:42.953141+00:00","public_records":55311,"revision":"182f08f5b4b9b1c4ebc74fdf"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: VKORC1 in the context of fertility"},"results":[{"answer":"VKORC1 encodes vitamin K epoxide reductase complex subunit 1, primarily known for its role in warfarin metabolism. In the context of fertility, there is currently no strong scientific evidence directly linking VKORC1 variants to fertility outcomes. Some research explores vitamin K-dependent proteins in placental or endometrial function, but findings are preliminary and inconsistent. Most associations come from population genetics without clinical validation. If a consumer DNA test includes VKORC1 in a fertility panel, it is likely an exploratory or pharmacogenetic marker rather than a proven fertility predictor. The evidence level is unclear. Consumers should be cautious: such tests often overstate the relevance of single genes for complex traits like fertility. A healthcare professional should evaluate any genetic findings in the broader clinical context. At present, VKORC1 testing is not recommended for fertility assessment.","area":"gesundheit","canonical_id":"gesundheit:canonical-8ceb0d3270de9363ec310b6b","id":"public-2c1332596a66c355de1f83bc","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VKORC1 in the context of fertility","score":24.80051083,"snippet":"VKORC1 encodes vitamin K epoxide reductase complex subunit 1, primarily known for its role in warfarin metabolism. In the context of fertility, there is currently no strong scientific evidence directly linking VKORC1 variants to fertility outcomes. Some research explores vitamin K-dependent proteins in placental or endometrial function, but findings are preliminary and inconsistent. Most associations come from population genetics without clinical validation. If a consumer DNA test includes VKORC1 in a fertility panel, it is likely an exploratory or pharmacogenetic marker rather than a proven fertility predictor. The evidence level is unclear. Consumers should be cautious: such tests often ov","sources":[],"title":"Evidence check: VKORC1 in the context of fertility","url":"https://tikki.wiki/wissen/gesundheit/frage/public-2c1332596a66c355de1f83bc/evidence-check-vkorc1-in-the-context-of-fertility/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"The question about VKORC1 in the context of fertility is misleading. VKORC1 is a gene that influences sensitivity to the anticoagulant warfarin (e.g., Coumadin). It has no known direct link to fertility (egg maturation, sperm quality, implantation). The strong evidence for VKORC1 applies exclusively to pharmacogenetics: the gene variant (especially rs9923231) determines the required warfarin dose. During pregnancy, warfarin is teratogenic regardless of genotype. A 'normal' VKORC1 result therefore does not provide reassurance that warfarin is safe in pregnancy. Fertility itself is not affected by VKORC1. Anyone planning pregnancy while taking warfarin should discuss alternatives (e.g., heparin) with their doctor – independent of genetic testing. The evidence for a connection to fertility is absent; the strong evidence only applies to dosing. Consumers should not be misled by such genetic tests: VKORC1 is not a fertility gene.","area":"gesundheit","canonical_id":"gesundheit:canonical-edf8918563d6cc6fb198437f","id":"public-9198343604681ae5b73ee350","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VKORC1 in the context of Fruchtbarkeit","score":24.61605381,"snippet":"The question about VKORC1 in the context of fertility is misleading. VKORC1 is a gene that influences sensitivity to the anticoagulant warfarin (e.g., Coumadin). It has no known direct link to fertility (egg maturation, sperm quality, implantation). The strong evidence for VKORC1 applies exclusively to pharmacogenetics: the gene variant (especially rs9923231) determines the required warfarin dose. During pregnancy, warfarin is teratogenic regardless of genotype. A 'normal' VKORC1 result therefore does not provide reassurance that warfarin is safe in pregnancy. Fertility itself is not affected by VKORC1. Anyone planning pregnancy while taking warfarin should discuss alternatives (e.g., hepari","sources":[],"title":"Evidence check: VKORC1 in the context of Fruchtbarkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-9198343604681ae5b73ee350/evidence-check-vkorc1-in-the-context-of-fruchtbarkeit/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}}],"schema_version":"tikki.search-response.v1"}