{"id":13816,"date":"2022-05-13T17:21:25","date_gmt":"2022-05-13T17:21:25","guid":{"rendered":"https:\/\/www.rhesusnegative.net\/staynegative\/?p=13816"},"modified":"2022-05-13T18:10:20","modified_gmt":"2022-05-13T18:10:20","slug":"the-rh-negative-blood-factor","status":"publish","type":"post","link":"https:\/\/www.rhesusnegative.net\/staynegative\/the-rh-negative-blood-factor\/","title":{"rendered":"The Rh Negative Blood Factor"},"content":{"rendered":"<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/static.hupso.com\/share\/buttons\/share-medium.png?w=640&#038;ssl=1\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"The Rh Negative Blood Factor\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>\n<p> 43 human systems are identified as of June 2021. <\/p>\n\n\n\n<p>When it comes to blood transfusions, the ABO blood group system is the most important one.<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"AmkBj9KYg8\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-rh-disease-explained\/\">The &#8220;Rh Disease&#8221; Explained<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;The &#8220;Rh Disease&#8221; Explained&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-rh-disease-explained\/embed\/#?secret=T5JXtK9jg1#?secret=AmkBj9KYg8\" data-secret=\"AmkBj9KYg8\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>When it comes to pregnancies, the Rh blood group system is the most important one.<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"PBglF56yG1\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/what-is-rh-negative-blood-2\/\">What is Rh negative blood?<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;What is Rh negative blood?&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/what-is-rh-negative-blood-2\/embed\/#?secret=oTn0CUxZM6#?secret=PBglF56yG1\" data-secret=\"PBglF56yG1\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>The name rhesus factor (Rh) goes back to the use of erythrocytes extracted from the blood of rhesus monkeys for obtaining the first blood serum.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"What does it mean to be Rh negative?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/-JOhxelpiEc?start=5&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>The Rh blood group system consists of 49 defined blood group&nbsp;antigens&nbsp;among which the five antigens D, C, c, E, and e are the most important. There is no d antigen. Rh(D) status of an individual is normally described with a&nbsp;<em>positive<\/em>&nbsp;(+) or&nbsp;<em>negative<\/em>&nbsp;(\u2212) suffix after the&nbsp;ABO&nbsp;type (e.g., someone who is A+ has the A antigen and Rh(D) antigen, whereas someone who is A\u2212 has the A antigen but lacks the Rh(D) antigen). The terms&nbsp;<em>Rh factor<\/em>,&nbsp;<em>Rh positive<\/em>, and&nbsp;<em>Rh negative<\/em>&nbsp;refer to the Rh(D) antigen only.&nbsp; <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"325\" src=\"https:\/\/i0.wp.com\/www.rhesusnegative.net\/staynegative\/wp-content\/uploads\/2016\/10\/11295690_470638529754444_431665003043327800_n.jpg?resize=522%2C325&#038;ssl=1\" alt=\"\" class=\"wp-image-1586\" srcset=\"https:\/\/i0.wp.com\/www.rhesusnegative.net\/staynegative\/wp-content\/uploads\/2016\/10\/11295690_470638529754444_431665003043327800_n.jpg?w=522&amp;ssl=1 522w, https:\/\/i0.wp.com\/www.rhesusnegative.net\/staynegative\/wp-content\/uploads\/2016\/10\/11295690_470638529754444_431665003043327800_n.jpg?resize=300%2C187&amp;ssl=1 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><figcaption>Being ccddee indicates me testing negative for the C, D and E antigens. Those are only 3 of the many within the Rh blood group system. If you lack all antigens from the rh blood group system, you are Rh null which is extremely rare. \n\nYou are considered Rh Negative when the D is absent. There are however individuals with the C absent, but not the D. \nThis is for everyone lacking the C:<\/figcaption><\/figure><\/div>\n\n\n\n<p>Let&#8217;s go back in time:<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"WyM4Bge3Ls\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/rh-negative-history\/\">Rh Negative History<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Rh Negative History&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/rh-negative-history\/embed\/#?secret=hImC35Xb00#?secret=WyM4Bge3Ls\" data-secret=\"WyM4Bge3Ls\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Why is the Rh negative blood factor of such interest?<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"2AsUF6Dny7\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/what-do-rh-negative-people-have-in-common\/\">100 Traits that Rh Negatives might have in common<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;100 Traits that Rh Negatives might have in common&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/what-do-rh-negative-people-have-in-common\/embed\/#?secret=aa8gC4fG8J#?secret=2AsUF6Dny7\" data-secret=\"2AsUF6Dny7\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-wordpress wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"fQCR6AszGc\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-origin-of-rh-negative-blood\/\">The origin of Rh negative blood<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;The origin of Rh negative blood&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-origin-of-rh-negative-blood\/embed\/#?secret=3P4912jSav#?secret=fQCR6AszGc\" data-secret=\"fQCR6AszGc\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>You can spend some time reading through the blog.<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"dcwWD7rqAN\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-history-of-blood-type-personalities\/\">The History of Blood Type Personalities<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;The History of Blood Type Personalities&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/the-history-of-blood-type-personalities\/embed\/#?secret=rKbrp4u5eg#?secret=dcwWD7rqAN\" data-secret=\"dcwWD7rqAN\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>You can also try to understand what you never understood.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Do Rh negatives make a difference?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/oJmbfsG15PM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>You can follow your natural curiosity.<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"wpaoyMqeUe\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/benefits-rh-negative\/\">What are the benefits of being rh negative?<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;What are the benefits of being rh negative?&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/benefits-rh-negative\/embed\/#?secret=XqrjlLs1ou#?secret=wpaoyMqeUe\" data-secret=\"wpaoyMqeUe\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>You can also make an active decision to forbid all around you to attempt to close your mind:<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Blood Type O Negative Personality Traits\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/92VSnUWj0iA?start=1&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Part 2: Blood Type A Negative Personality Traits\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/gDLH0Baiw34?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Blood Type B Negative Personality Traits\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/JtQQs1TETu8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Blood Type AB Negative Personality Traits\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/ZWMSgZAQFuY?start=3&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>There is so much more to come&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-embed-twitter aligncenter wp-block-embed is-type-rich is-provider-twitter\"><div class=\"wp-block-embed__wrapper\">\n<a class=\"twitter-timeline\" data-width=\"640\" data-height=\"960\" data-dnt=\"true\" href=\"https:\/\/twitter.com\/rhnegativeday?ref_src=twsrc%5Etfw\">Tweets by rhnegativeday<\/a><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>Make sure to subscribe to this blog.<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"IA9swKAos6\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/o-and-rh-negative-blood-types-may-already-have-covid-19-antibodies\/\">O and Rh-negative blood types may already have COVID-19 antibodies<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;O and Rh-negative blood types may already have COVID-19 antibodies&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/o-and-rh-negative-blood-types-may-already-have-covid-19-antibodies\/embed\/#?secret=kxr57XRfmJ#?secret=IA9swKAos6\" data-secret=\"IA9swKAos6\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Don&#8217;t miss a beat!<\/p>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"n2kBXeOF7d\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/happy-rh-negative-day\/\">Happy Rh Negative Day!<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Happy Rh Negative Day!&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/happy-rh-negative-day\/embed\/#?secret=ILgKRgrb3I#?secret=n2kBXeOF7d\" data-secret=\"n2kBXeOF7d\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-wordpress aligncenter wp-block-embed is-type-wp-embed is-provider-rh-negative-blood-and-people\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"oa8DcXhRIP\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/rh-negative-celebrities-2\/\">The Top 100 Rh Negative Celebrities<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;The Top 100 Rh Negative Celebrities&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/rh-negative-celebrities-2\/embed\/#?secret=1tTns9QKVr#?secret=oa8DcXhRIP\" data-secret=\"oa8DcXhRIP\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/static.hupso.com\/share\/buttons\/share-medium.png?w=640&#038;ssl=1\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"The Rh Negative Blood Factor\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"The Rh Negative Blood Factor\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>43 human systems are identified as of June 2021. When it comes to blood transfusions, the ABO blood group system is the most important one. When it comes to pregnancies, the Rh blood group system is the most important one. The name rhesus factor (Rh) goes back to the use of erythrocytes extracted from the blood of rhesus monkeys for obtaining the first blood serum. The Rh blood group system consists of 49 defined blood group&nbsp;antigens&nbsp;among which the five antigens D, C, c, E, and e are the most important. There is no d antigen. Rh(D) status of an individual is normally described with a&nbsp;positive&nbsp;(+) or&nbsp;negative&nbsp;(\u2212) suffix after the&nbsp;ABO&nbsp;type (e.g., someone who is A+ has the A antigen and Rh(D) <div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"The Rh Negative Blood Factor\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":13779,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"amp_status":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-13816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-facts"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.rhesusnegative.net\/staynegative\/wp-content\/uploads\/2022\/05\/image.jpeg?fit=1280%2C853&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5DV68-3AQ","_links":{"self":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/13816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/comments?post=13816"}],"version-history":[{"count":5,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/13816\/revisions"}],"predecessor-version":[{"id":13836,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/13816\/revisions\/13836"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/media\/13779"}],"wp:attachment":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/media?parent=13816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/categories?post=13816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/tags?post=13816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}