{"id":3551,"date":"2021-03-12T09:06:56","date_gmt":"2021-03-12T07:06:56","guid":{"rendered":"https:\/\/medilab.km.ua\/?post_type=product&#038;p=3551"},"modified":"2026-10-03T09:04:48","modified_gmt":"2026-10-03T06:04:48","slug":"horionicnyj-gonadotropin-hcg-onkomarker-tromboplastychnyh-puhlyn","status":"publish","type":"product","link":"https:\/\/medilab.km.ua\/en\/analizy\/diagnostyka-puhlynnyh-markeriv\/horionichnyj-gonadotropin-hcg-onkomarker-tromboplastychnyh-puhlyn\/","title":{"rendered":"Chorionic gonadotropin (hCG) - tumor marker of thromboplastic tumors"},"content":{"rendered":"<p>Human chorionic gonadotropin (hCG) is a hormone produced mainly by trophoblast cells during pregnancy. Determination of its level in the blood is of great importance not only in obstetrics and gynecology, but also in the diagnosis and monitoring of patients with trophoblastic diseases. This group includes vesicular drift and gestational trophoblastic neoplasia, in particular choriocarcinoma.<\/p>\n<p>Analysis of hCG as a tumor marker helps the doctor assess the concentration of the hormone, track its changes in dynamics and monitor the effectiveness of treatment. At the same time, an elevated level of hCG does not always indicate a tumor process: it must be interpreted taking into account pregnancy, history, clinical symptoms and other examination results.<\/p>\n<h2>What is human chorionic gonadotropin (hCG)?<\/h2>\n<p><a title=\"Chorionic gonadotropin (free \u03b2-subunit)\" href=\"https:\/\/medilab.km.ua\/en\/analysis\/hormonal-panel\/prenatal-diagnostics\/prenatal-biochemical-screening-and-trimester-10-14-weeks\/chorionic-gonadotropin-vilna-subbodynytsya\/\" data-wpil-monitor-id=\"227\">Human chorionic gonadotropin<\/a> is a hormonal glycoprotein composed of alpha and beta subunits. It plays an important role in maintaining early pregnancy, in particular, helping to maintain the function of the corpus luteum and the production of progesterone.<\/p>\n<p>In laboratory diagnostics, the beta subunit of hCG (\u03b2-hCG) is of particular importance, as it is determined in the blood to assess the course of pregnancy and to examine certain pathological conditions.<\/p>\n<p>In some trophoblastic diseases, cells associated with pregnancy tissue produce excessive amounts of hCG. Therefore, measuring the concentration of this hormone is used as one of the key laboratory tools for diagnosis and follow-up.<\/p>\n<h2>What are trophoblastic diseases?<\/h2>\n<p>Trophoblastic diseases are a group of rare conditions associated with the abnormal growth of trophoblast cells, which during normal pregnancy participate in the formation of the placenta.<\/p>\n<p>This group includes diseases with different course.<\/p>\n<p><strong>Bubble drift<\/strong> \u2014 a pathological condition in which abnormal development of pregnancy tissues occurs. It can be complete or partial. After treatment, it is necessary to monitor the level of hCG to ensure its normalization and timely detect the possible preservation of pathological tissue.<\/p>\n<p><strong>Gestational trophoblastic neoplasia<\/strong> \u2014 a group of diseases that can develop after vesicular drift or other pregnancies. It includes invasive vesicular drift, choriocarcinoma, and some other rare trophoblastic tumors.<\/p>\n<p><strong>Choriocarcinoma<\/strong> \u2014 a malignant tumor arising from tissues associated with pregnancy. It can develop after ectopic pregnancy, miscarriage, abortion, or childbirth. The disease requires specialized treatment and regular monitoring of relevant laboratory parameters.<\/p>\n<p>You can learn more about these conditions in the materials of the US National Cancer Institute on <a href=\"https:\/\/www.cancer.gov\/types\/gestational-trophoblastic\" target=\"_blank\" rel=\"noopener\">gestational trophoblastic diseases<\/a>.<\/p>\n<h2>Why is hCG testing prescribed as a tumor marker?<\/h2>\n<p>Determination of hCG concentration is used in various clinical situations related to suspected trophoblastic disease or the need to control an already established diagnosis.<\/p>\n<p>The main objectives of the study:<\/p>\n<ul>\n<li>auxiliary laboratory diagnostics of trophoblastic diseases;<\/li>\n<li>assessment of hormone levels after treatment of cystic fibrosis;<\/li>\n<li>monitoring the course of gestational trophoblastic neoplasia;<\/li>\n<li>assessing the response to prescribed therapy;<\/li>\n<li>detection of insufficient decrease or repeated increase in hCG during observation;<\/li>\n<li>control after completion of treatment according to the doctor&#039;s recommendations.<\/li>\n<\/ul>\n<p>During treatment, the doctor evaluates not only the individual hCG value, but also the dynamics of the indicator. A decrease in concentration may indicate a response to therapy, while a persistent increase or re-increase requires additional evaluation.<\/p>\n<h2>When should you take an hCG test?<\/h2>\n<p>The study may be prescribed by a doctor in the following cases:<\/p>\n<ul>\n<li>after establishing the diagnosis of cystic drift;<\/li>\n<li>for suspected gestational trophoblastic neoplasia;<\/li>\n<li>with unusual uterine bleeding after pregnancy;<\/li>\n<li>based on the results of ultrasound or other examinations that require clarification;<\/li>\n<li>if hCG levels do not decrease as expected after treatment;<\/li>\n<li>to monitor the effectiveness of therapy for choriocarcinoma and other trophoblastic tumors;<\/li>\n<li>during scheduled follow-up after treatment according to an individual schedule.<\/li>\n<\/ul>\n<p>The list of indications is not exhaustive. The need for the study and the frequency of its repetition are determined by the doctor depending on the clinical situation.<\/p>\n<h2>How is the research conducted?<\/h2>\n<p>Venous blood is usually used to determine the level of hCG. The laboratory determines the concentration of the hormone using an appropriate immunochemical method.<\/p>\n<p>Quantitative analysis shows how much hCG is in the sample being tested. This is especially important for monitoring patients after treatment, as changes over time may be more clinically meaningful than a single result.<\/p>\n<p>For control, it is desirable that repeated tests be performed according to a scheme agreed with the doctor. If the laboratory or methodology changes, this should be taken into account when comparing results.<\/p>\n<h2>How to prepare for an hCG test?<\/h2>\n<p>Special complex preparation for the fence <a title=\"HCG blood test: comparison with pregnancy test and clinical significance of the indicator\" href=\"https:\/\/medilab.km.ua\/en\/blood-test-for-hgl-comparison-with-vaginismus-test-and-clinical-significance-of-the-indicator\/\" data-wpil-monitor-id=\"228\">blood for hCG<\/a> usually not necessary. However, before the test, it is worth following the laboratory&#039;s recommendations and informing the doctor about important circumstances.<\/p>\n<p>Recommendations before taking the analysis:<\/p>\n<ol start=\"1\">\n<li>Check with the laboratory whether you need to come on an empty stomach for this test and considering other tests that are being performed at the same time.<\/li>\n<li>Tell your doctor about taking medications containing hCG, if any have been prescribed.<\/li>\n<li>If the test is performed to monitor treatment, follow the repeat testing schedule prescribed by your doctor.<\/li>\n<li>Tell your healthcare provider if you are pregnant or think you may be pregnant, or if you have recently given birth, had a miscarriage, had an abortion, or been treated for trophoblastic disease.<\/li>\n<\/ol>\n<p>Do not cancel prescribed medications yourself for the sake of the test. If you have any doubts about the preparation, clarify them with the laboratory or your doctor.<\/p>\n<h2>How to interpret the results of the hCG analysis?<\/h2>\n<p>The result is usually reported as a quantitative value with units of measurement and, if necessary, the laboratory&#039;s reference interval.<\/p>\n<p>The interpretation depends on whether the patient is pregnant, what the diagnosis is, whether treatment has been given, and what stage of follow-up the patient is at.<\/p>\n<p><strong>Elevated hCG levels<\/strong> can be observed during pregnancy, in trophoblastic diseases, as well as in some other conditions. Therefore, an increase in the indicator is not an independent confirmation of cancer.<\/p>\n<p><strong>Decrease in hCG over time<\/strong> after treatment may be a sign of a positive response to therapy. At the same time, the result should be evaluated according to the observation schedule determined by the doctor.<\/p>\n<p><strong>Steady or repeated increase in the indicator<\/strong> After treatment, a medical evaluation is required. Depending on the situation, the doctor may order a repeat test, imaging tests, and other tests.<\/p>\n<p>There is no single universal cutoff value that in itself confirms or excludes trophoblastic tumor. Reference values depend on the laboratory method, and the conclusion is made taking into account clinical data.<\/p>\n<h2>Why is it important to monitor hCG after treatment?<\/h2>\n<p>After treatment for ectopic pregnancy and other trophoblastic diseases, hCG monitoring helps monitor recovery and detect signs of possible persistence of pathological tissue activity.<\/p>\n<p>The frequency of repeat tests depends on the specific diagnosis, treatment, and previous results. Monitoring may continue for some time even after the indicator normalizes. You should not stop monitoring or change its schedule on your own.<\/p>\n<p>If hCG levels rise again after a previous decrease, this does not automatically mean that the disease has returned. The result should be checked and evaluated together with a doctor, taking into account the possibility of pregnancy, the characteristics of the laboratory measurement and other reasons for the change in the indicator.<\/p>\n<h2>Frequently asked questions about hCG testing<\/h2>\n<h3>Is elevated hCG a sign of cancer?<\/h3>\n<p>Not necessarily. HCG naturally increases during pregnancy and can change with other conditions. Clinical evaluation and, if indicated, additional testing are required to determine the cause.<\/p>\n<h3>Can a single test determine the presence of trophoblastic tumor?<\/h3>\n<p>No. The hCG test is an important laboratory tool, but the result is evaluated together with the history, symptoms, ultrasound data, and other studies.<\/p>\n<h3>Is it necessary to take hCG after a vesicular drift?<\/h3>\n<p>Yes, hCG monitoring is usually part of the follow-up after treatment for ectopic pregnancy. The duration and frequency of testing is determined by the doctor according to the type of disease and the course of recovery.<\/p>\n<h3>What does a repeated increase in hCG after treatment mean?<\/h3>\n<p>This is a reason to see a doctor to clarify the cause. Repeated measurement of the indicator and additional examination may be required. You should not independently conclude about relapse based on one result.<\/p>\n<h3>Do I need to fast before donating blood?<\/h3>\n<p>For the determination of hCG, special fasting is usually not required. However, if other tests are being taken at the same time, it is necessary to follow the preparation rules established by the laboratory.<\/p>\n<h3>How often should the analysis be repeated?<\/h3>\n<p>The frequency depends on the diagnosis, the results of previous tests and the treatment performed. The monitoring schedule is set by the doctor; there is no universal frequency for all patients.<\/p>\n<h2>Where to take an hCG test at Medi Lab Plus?<\/h2>\n<p>At the Medi Lab Plus laboratory, you can clarify the availability of human chorionic gonadotropin testing, the current cost, preparation requirements, and the timing of receiving the results.<\/p>\n<p>Before making an appointment, it is important to clarify that an hCG test is needed to evaluate trophoblastic diseases, if prescribed by a doctor. This will help you choose the right test and avoid confusion with a pregnancy test.<\/p>\n<p>The test result does not replace a doctor&#039;s consultation. If trophoblastic disease is suspected or during follow-up after treatment, it is necessary to follow the recommendations of a specialist.<\/p>","protected":false},"excerpt":{"rendered":"<p>Human chorionic gonadotropin (hCG) is a hormone whose level is determined in the blood during examination for trophoblastic diseases, in particular to assess the course and control treatment. The indicator can also change during pregnancy and in some other conditions, so the result is evaluated taking into account the clinical situation. Elevated hCG on its own does not confirm an oncological diagnosis.<\/p>","protected":false},"featured_media":16003,"comment_status":"open","ping_status":"closed","template":"","meta":{"_flow_reviewer_id":0,"_flow_review_status":""},"product_brand":[],"product_cat":[105],"product_tag":[],"class_list":["post-3551","product","type-product","status-publish","has-post-thumbnail","product_cat-diagnostyka-puhlynnyh-markeriv","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/product\/3551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=3551"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/16003"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=3551"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/product_brand?post=3551"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/product_cat?post=3551"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/product_tag?post=3551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}