{"id":2134,"date":"2025-12-19T15:57:45","date_gmt":"2025-12-19T15:57:45","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=2134"},"modified":"2026-02-22T00:13:01","modified_gmt":"2026-02-22T00:13:01","slug":"obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2025\/12\/19\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\/","title":{"rendered":"Obstetric history of women with m.3243A&gt;G: an observational cohort study (Contributed by Dr. Mika Martikainen)"},"content":{"rendered":"<p>Mitochondrial disease is a common type of inherited metabolic disease, typically caused by pathogenic variants in the maternally inherited mitochondrial DNA (mtDNA). In this study, we investigated a cohort of Finnish women harbouring the mtDNA variant m.3243A&gt;G, the most common cause of adult mitochondrial disease. We found that these individuals may have an elevated risk for obstetric complications, such as gestational diabetes and gestational hypertension. In addition, the babies may have elevated risk of preterm birth and need of intensive care. We suggest that the pregnancies of women with m.3243A&gt;G would benefit from a standardized care protocol for the safety of the mother and child. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2025\/12\/17\/jmg-2025-110875\">https:\/\/jmg.bmj.com\/content\/early\/2025\/12\/17\/jmg-2025-110875<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mitochondrial disease is a common type of inherited metabolic disease, typically caused by pathogenic variants in the maternally inherited mitochondrial DNA (mtDNA). In this study, we investigated a cohort of Finnish women harbouring the mtDNA variant m.3243A&gt;G, the most common cause of adult mitochondrial disease. We found that these individuals may have an elevated risk [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2025\/12\/19\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\/\">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-2134","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Obstetric history of women with m.3243A&gt;G: an observational cohort study (Contributed by Dr. Mika Martikainen) - 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\/2025\/12\/19\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Obstetric history of women with m.3243A&gt;G: an observational cohort study (Contributed by Dr. Mika Martikainen) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Mitochondrial disease is a common type of inherited metabolic disease, typically caused by pathogenic variants in the maternally inherited mitochondrial DNA (mtDNA). In this study, we investigated a cohort of Finnish women harbouring the mtDNA variant m.3243A&gt;G, the most common cause of adult mitochondrial disease. We found that these individuals may have an elevated risk [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2025\/12\/19\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-19T15:57:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-22T00:13:01+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\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Obstetric history of women with m.3243A&gt;G: an observational cohort study (Contributed by Dr. Mika Martikainen)\",\"datePublished\":\"2025-12-19T15:57:45+00:00\",\"dateModified\":\"2026-02-22T00:13:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/\"},\"wordCount\":137,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/12\\\/19\\\/obstetric-history-of-women-with-m-3243ag-an-observational-cohort-study\\\/\",\"name\":\"Obstetric history of women with m.3243A&gt;G: an observational cohort study (Contributed by Dr. Mika Martikainen) - 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