{"id":2700,"date":"2024-08-28T12:55:09","date_gmt":"2024-08-28T03:55:09","guid":{"rendered":"https:\/\/www.hiro-clinic.or.jp\/nippt\/%e4%b8%80%e5%8d%b5%e6%80%a7%e5%8f%8c%e7%94%9f%e5%85%90%e3%81%ae%e5%85%84%e5%bc%9f%e3%82%92%e3%82%82%e3%81%a4%e7%88%b6%e8%a6%aa%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%93%e3%81%a8%e3%81%af\/"},"modified":"2024-10-07T18:36:23","modified_gmt":"2024-10-07T09:36:23","slug":"%e4%b8%80%e5%8d%b5%e6%80%a7%e5%8f%8c%e7%94%9f%e5%85%90%e3%81%ae%e5%85%84%e5%bc%9f%e3%82%92%e3%82%82%e3%81%a4%e7%88%b6%e8%a6%aa%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%93%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.hiro-clinic.or.jp\/nippt\/%e4%b8%80%e5%8d%b5%e6%80%a7%e5%8f%8c%e7%94%9f%e5%85%90%e3%81%ae%e5%85%84%e5%bc%9f%e3%82%92%e3%82%82%e3%81%a4%e7%88%b6%e8%a6%aa%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%93%e3%81%a8%e3%81%af\/?lang=en","title":{"rendered":"Identifying fathers with identical twin brothers is difficult with prenatal paternity DNA testing."},"content":{"rendered":"\n<p><strong>If identical twin brothers are potential fathers, it is very difficult or impossible to determine the father in a prenatal paternity test<\/strong>. This is due to the following reasons<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNA characteristics of identical twins.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Identical DNA<\/strong>: identical twins arise from the division of identical fertilized eggs and therefore have almost identical DNA sequences. Therefore, <a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">STR<\/a> markers and other genetic analysis methods used in standard DNA identification cannot distinguish between <strong>two people.<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Issues in prenatal paternity testing.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Identity<\/strong>: if there are identical twin prospective fathers, the fetal DNA obtained from <strong>the prenatal paternity test<\/strong> cannot distinguish which twin it was inherited from .As both twins are equally likely to be the father, the results of the test will not help to identify the father.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Possible solutions.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Additional evidence or information<\/strong>: in order to identify the father, additional evidence or information other than DNA evidence (e.g. <strong>duration of the relationship or other circumstantial evidence<\/strong> ) may be required. However, this too may not be scientific evidence, but <strong>only a legal determination<\/strong>.<\/li>\n\n\n\n<li><strong>Epigenetic markers and mutations<\/strong>: recent studies have <strong>attempted to differentiate twins using epigenetic differences and a small number of novel mutations that occur between identical twins<\/strong>, but these methods are very limited and are not yet widely used for general appraisal.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Summary<\/h3>\n\n\n\n<p><strong>When identical twins are potential fathers, it is very difficult to identify which one is the father in a prenatal paternity test and cannot be distinguished by normal DNA testing.<\/strong> At present, it is understood that it is difficult to identify the father, as it is only possible to rely on non-DNA evidence and very sophisticated genetic analysis methods.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If identical twin brothers are potential fathers, it is very difficult or impossible &#8230;<\/p>\n","protected":false},"author":5,"featured_media":1961,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[34,39],"class_list":{"0":"post-2700","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-nippt-en","8":"tag-beginner-en","9":"tag-expert-en","10":"article"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/comments?post=2700"}],"version-history":[{"count":3,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2700\/revisions"}],"predecessor-version":[{"id":5700,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2700\/revisions\/5700"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/media\/1961"}],"wp:attachment":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/media?parent=2700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/categories?post=2700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/tags?post=2700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}