1.0inviTRAhttps://www.invitra.com/enrich600338<blockquote class="wp-embedded-content" data-secret="y1RtnRMABL"><a href="https://www.invitra.com/en/gnrh-analogues/">What is GnRH? – Characteristics, effects and medications</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.invitra.com/en/gnrh-analogues/embed/#?secret=y1RtnRMABL" width="600" height="338" title="“What is GnRH? – Characteristics, effects and medications” — inviTRA" data-secret="y1RtnRMABL" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.invitra.com/en/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://www.invitra.com/en/wp-content/uploads/2020/05/characteristics-of-gnrh.png24001020GnRH is a hormone secreted by the hypothalamus that is essential for the correct control of the female and male reproductive system. On the other hand, GnRH analogues are hormones used in assisted reproduction treatments that require the woman's ovarian cycle to be controlled.