{"id":349,"date":"2012-08-13T14:28:31","date_gmt":"2012-08-13T14:28:31","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=349"},"modified":"2026-02-25T20:34:27","modified_gmt":"2026-02-25T20:34:27","slug":"a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\/","title":{"rendered":"A systematic review of associated structural and chromosomal defects in oral clefts: when is prenatal genetic analysis indicated? (Contributed by Dr. AM Rozendaal)"},"content":{"rendered":"<p>Oral clefts are being diagnosed prenatally more frequently. When informing future parents on outcome and prognosis, the category of cleft as well as the presence of other structural congenital anomalies is crucial. Especially the identification of an underlying chromosomal defect will influence prenatal counselling and management of the pregnancy significantly. To provide a basis for prenatal counselling and allow informed decisions on invasive prenatal diagnostics, this systematic review summarises literature on prenatal and postnatal findings of associated anomalies and chromosomal defects related to cleft category. Based on these findings, specific clinical advise\u2014including whether to offer conventional karyotyping or array-based methods\u2014are presented according to cleft category. (<a href=\"http:\/\/jmg.bmj.com\/content\/49\/8\/490.abstract?etoc\">http:\/\/jmg.bmj.com\/content\/49\/8\/490.abstract?etoc<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oral clefts are being diagnosed prenatally more frequently. When informing future parents on outcome and prognosis, the category of cleft as well as the presence of other structural congenital anomalies is crucial. Especially the identification of an underlying chromosomal defect will influence prenatal counselling and management of the pregnancy significantly. To provide a basis for [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-349","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A systematic review of associated structural and chromosomal defects in oral clefts: when is prenatal genetic analysis indicated? (Contributed by Dr. AM Rozendaal) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A systematic review of associated structural and chromosomal defects in oral clefts: when is prenatal genetic analysis indicated? (Contributed by Dr. AM Rozendaal) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Oral clefts are being diagnosed prenatally more frequently. When informing future parents on outcome and prognosis, the category of cleft as well as the presence of other structural congenital anomalies is crucial. Especially the identification of an underlying chromosomal defect will influence prenatal counselling and management of the pregnancy significantly. To provide a basis for [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2012\/08\/13\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2012-08-13T14:28:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T20:34:27+00:00\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2012\\\/08\\\/13\\\/a-systematic-review-of-associated-structural-and-chromosomal-defects-in-oral-clefts-when-is-prenatal-genetic-analysis-indicated\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"A systematic review of associated structural and chromosomal defects in oral clefts: when is prenatal genetic analysis indicated? 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