{"id":32036,"date":"2023-08-01T11:45:58","date_gmt":"2023-08-01T11:45:58","guid":{"rendered":"https:\/\/danielsmarketingblc.com\/CuratedProducts\/?p=32036"},"modified":"2023-08-01T11:46:01","modified_gmt":"2023-08-01T11:46:01","slug":"is-the-timing-of-covid-19-vaccination-related-to-changes-in-menstrual-cycle-length","status":"publish","type":"post","link":"https:\/\/danielsmarketingblc.com\/CuratedProducts\/2023\/08\/01\/is-the-timing-of-covid-19-vaccination-related-to-changes-in-menstrual-cycle-length\/","title":{"rendered":"Is the timing of COVID-19 vaccination related to changes in menstrual cycle length?"},"content":{"rendered":"

<\/p>\n

\n

A recent study posted\u00a0on the preprint server Research Square<\/a>*<\/em>\u00a0under review for publication in a\u00a0Nature Portfolio <\/em>journal\u00a0<\/em>reports that coronavirus disease 2019 (COVID-19) vaccines administered in the course of the first follicular phase of the menstrual cycle can temporarily increase the duration of the menstrual cycle.<\/p>\n

<\/span><\/span> Study:\u00a0<\/span>Timing of COVID19 vaccination drives menstrual cycle changes.<\/span><\/a> Image Credit:\u00a0Trismegist san\u00a0\/ Shutterstock.com<\/span><\/em><\/p>\n

*Vital notice: <\/strong> Research Square<\/em> publishes preliminary scientific reports that will not be peer-reviewed and, due to this fact, shouldn’t be thought to be conclusive, guide clinical practice\/health-related behavior, or treated as established information.<\/p>\n

Background<\/h2>\n

Menstrual health, including menstrual cycle and menses duration, regularity, and volume, is a vital indicator of general health and fertility in women. Nearly half of the feminine population, which accounts for about 26% of the worldwide population, are of reproductive age. On average, a girl menstruates for a duration of seven years of her life.<\/p>\n

Despite the numerous association with overall quality of life and fertility, menstrual health outcomes will not be routinely investigated in clinical trials. In actual fact, only a small variety of studies conducted in the course of the COVID-19 pandemic have reported temporary menstrual disturbances following COVID-19 vaccination. This is likely to be because of the consequences of vaccine-related immune responses on the hypothalamic-pituitary-ovarian (HPO) axis, which regulates menstrual cycle timing.<\/p>\n

The menstrual cycle comprises the follicular and luteal phases. Throughout the follicular phase, which is the primary a part of the menstrual cycle, the ovary prepares for and executes ovulation. The follicular phase primarily determines the menstrual cycle length, whereas the luteal phase starts after ovulation, during which the uterus prepares for a possible pregnancy.<\/p>\n

In the present study, scientists investigate the association between COVID-19 vaccination timing and its role in affecting the duration of the menstrual cycle.<\/p>\n

In regards to the study<\/h2>\n

The present study analyzed menstrual cycle tracking data collected from 19,497 reproductive-aged women who used a digital fertility-awareness application called \u201cNatural Cycles.\u201d The info was used as a proxy to find out the timing of the follicular and luteal phases.<\/p>\n

The duration of the menstrual cycle was compared between 9,279 and 5,532 women who were vaccinated either during either the follicular or luteal phases, respectively. A complete of 4,686 unvaccinated women were also included within the study as controls.<\/p>\n

<\/p>\n

COVID-19 vaccination during follicular phase extends menstrual cycle duration<\/h2>\n

A complete of 19,497 participants from america, Canada, continental Europe, and the UK were included within the study. About 80% of the study cohort were under the age of 35 years, with about 64% having received a messenger ribonucleic acid (mRNA)-based COVID-19 vaccine.<\/p>\n

As in comparison with vaccinated study participants, unvaccinated women were more prone to be under the age of 25 years, have a low educational background, and be residents of america or Canada.<\/p>\n

As in comparison with pre-vaccination menstrual cycle duration, the post-vaccination cycle length increased by someday in women who received the primary vaccine dose in the course of the follicular phase. Comparatively, the cycle duration remained unchanged in those vaccinated in the course of the luteal phase and unvaccinated individuals. Similar findings were observed for participants who received the second vaccine dose.<\/p>\n

For each the primary and second vaccine doses, the proportion of participants experiencing a clinically significant increase within the duration of their menstrual cycle, which is reflected by a menstrual cycle duration exceeding eight days, was significantly higher in those vaccinated in the course of the follicular phase as in comparison with those vaccinated in the course of the luteal phase and unvaccinated controls.<\/p>\n

Study significance<\/h2>\n

The impact of COVID-19 vaccination on menstrual cycle duration primarily is determined by the timing of vaccination. The present study reports that ladies vaccinated in the course of the follicular phase may experience a rise within the duration of their menstrual cycle. Nonetheless, vaccination performed in the course of the luteal phase was not found to affect menstrual cycle duration.<\/p>\n

The HPO axis regulates the recruitment of the dominant follicle in the course of the follicular phase. Vaccine-induced immune responses can modulate the activity of the HPO axis, thereby resulting in disruption of the timing of the luteinizing hormone surge and subsequent alteration within the timing of ovulation.<\/p>\n

Thus, changes within the interaction between the immune and reproductive systems in the course of the follicular phase because of vaccine-induced immune response is likely to be liable for the temporary alteration in menstrual cycle duration. For the reason that luteal phase length doesn’t depend upon the HPO axis, vaccination performed during this phase has no effect on cycle duration.<\/p>\n

*Vital notice: <\/strong> Research Square<\/em> publishes preliminary scientific reports that will not be peer-reviewed and, due to this fact, shouldn’t be thought to be conclusive, guide clinical practice\/health-related behavior, or treated as established information.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

A recent study posted\u00a0on the preprint server Research Square*\u00a0under review for publication in a\u00a0Nature Portfolio journal\u00a0reports that coronavirus disease 2019 (COVID-19) vaccines administered in the course of the first follicular phase of the menstrual cycle can temporarily increase the duration of the menstrual cycle. Study:\u00a0Timing of COVID19 vaccination drives menstrual cycle changes. Image Credit:\u00a0Trismegist san\u00a0\/ […]\n","protected":false},"author":1,"featured_media":32037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"fifu_image_url":"https:\/\/d2jx2rerrg6sh3.cloudfront.net\/images\/news\/ImageForNews_755087_16908512665635161.jpg","fifu_image_alt":"","two_page_speed":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[97],"tags":[529,1986,2541,174,2540,530],"class_list":["post-32036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-covid19","tag-cycle","tag-length","tag-menstrual","tag-timing","tag-vaccination"],"aioseo_notices":[],"yoast_head":"\nIs the timing of COVID-19 vaccination 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