{"id":12225,"date":"2025-05-08T12:05:37","date_gmt":"2025-05-08T17:05:37","guid":{"rendered":"https:\/\/www.voicesforvaccines.org\/?post_type=jtf_topics&p=12225"},"modified":"2025-05-13T12:07:06","modified_gmt":"2025-05-13T17:07:06","slug":"have-covid-vaccines-led-to-higher-rates-of-miscarriage","status":"publish","type":"jtf_topics","link":"https:\/\/www.voicesforvaccines.org\/es\/jtf_topics\/have-covid-vaccines-led-to-higher-rates-of-miscarriage\/","title":{"rendered":"Have COVID vaccines led to higher rates of miscarriage?"},"content":{"rendered":"
[vc_row source=”” text=”Clinical Trials” font_container=”tag:h2|text_align:left” use_theme_fonts=”yes” google_fonts=”font_family:Abril%20Fatface%3Aregular|font_style:400%20regular%3A400%3Anormal” link=”” css=”.vc_custom_1708910874436{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;}”][vc_column][vc_row_inner][vc_column_inner][vc_custom_heading text=”The Claim:” font_container=”tag:h3|text_align:left” use_theme_fonts=”yes”][vc_column_text css=””]A\u00a0video<\/a>\u00a0once again recirculating claims that COVID vaccine makers knew from clinical trials that 80% of pregnancies in the vaccinated ended in miscarriage and that vaccination has led to higher rates of miscarriage since then, according to OB\/GYN Dr. Kimberly Biss.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_custom_heading text=”The Facts:” font_container=”tag:h3|text_align:left” use_theme_fonts=”yes”][vc_column_text css=””]\n\n\n\n
The claim that Pfizer\u2019s COVID\u00a0vaccine trials showed an 80% miscarriage rate likely comes from a misunderstanding of a\u00a0study<\/a>\u00a0where not all pregnancies had complete follow-up data, resulting in misleading percentages. The actual miscarriage rate among pregnant women in the trials was consistent\u00a0 (12.6%) with the normal rate seen in the general population, which is about 10-20%. Large studies and real-world data have shown that COVID\u00a0vaccines do not increase the risk of miscarriage and are safe for pregnant women.<\/p>\n

Of the 827 completed pregnancies, 104\u00a0ended in miscarriage. Those who claim the 80% stat are using\u00a0semantics<\/a>\u00a0to make their argument, saying since miscarriage is defined as a loss of the fetus prior to 20 weeks, while a loss of a fetus after 20 weeks is considered a stillbirth, and therefore they remove anyone who received a vaccine in\u00a03rd trimester, bringing the denominator down to 127 from 827, leaving us with the 80% figure.<\/p>\n

Dr. Biss\u2019 observation that miscarriages doubled in one doctor\u2019s private practice does not prove that vaccines caused the increase. A single doctor\u2019s experience does not replace large-scale scientific studies. And multiple studies worldwide have found\u00a0no link<\/a>\u00a0between COVID\u00a0vaccination and increased miscarriage rates.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"

Do COVID vaccines cause miscarriages? A viral claim says 80%\u2014but it misrepresents the data. Studies show miscarriage rates remain normal and vaccines are safe in pregnancy.<\/p>\n","protected":false},"parent":0,"template":"","jtf_topic_subjects":[189,209,188,218],"class_list":["post-12225","jtf_topics","type-jtf_topics","status-publish","hentry","jtf_topic_subjects-covid-19","jtf_topic_subjects-fertility","jtf_topic_subjects-mrna-vaccines","jtf_topic_subjects-vaccine-safety","entry","no-media"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/jtf_topics\/12225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/jtf_topics"}],"about":[{"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/types\/jtf_topics"}],"version-history":[{"count":1,"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/jtf_topics\/12225\/revisions"}],"predecessor-version":[{"id":12226,"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/jtf_topics\/12225\/revisions\/12226"}],"wp:attachment":[{"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/media?parent=12225"}],"wp:term":[{"taxonomy":"jtf_topic_subjects","embeddable":true,"href":"https:\/\/www.voicesforvaccines.org\/es\/wp-json\/wp\/v2\/jtf_topic_subjects?post=12225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}