{"id":38072,"date":"2020-05-22T13:19:52","date_gmt":"2020-05-22T20:19:52","guid":{"rendered":"https:\/\/www.avawomen.com\/?p=38072"},"modified":"2020-05-22T13:19:52","modified_gmt":"2020-05-22T20:19:52","slug":"low-hcg-levels","status":"publish","type":"post","link":"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/","title":{"rendered":"Low hCG levels: Does it Always Mean a Miscarriage?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">If you have been told you have low <\/span><a href=\"https:\/\/www.avawomen.com\/avaworld\/hcg-levels\/\"><span style=\"font-weight: 400;\">hCG levels<\/span><\/a><span style=\"font-weight: 400;\"> you may be worried about what this means for your pregnancy. <a href=\"https:\/\/www.avawomen.com\/avaworld\/hcg-levels\/\">Normal hCG levels<\/a> can vary enormously between women and low hCG levels are not always a cause for concern.<\/span><\/p>\n<h2><b>What is hCG?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">hCG is a hormone produced by the cells of the placenta during pregnancy. After <a href=\"https:\/\/www.avawomen.com\/avaworld\/implantation-symptoms\/\">implantation<\/a> of the embryo the placenta begins to produce increasing amounts of hCG. The hormone stimulates the production of progesterone by the corpus luteum to maintain the pregnancy. <a href=\"https:\/\/www.avawomen.com\/avaworld\/how-soon-can-you-take-a-pregnancy-test\/\">Pregnancy tests<\/a> work by detecting the presence of hCG in your urine.<\/span><\/p>\n<h2><b>What are normal hCG levels in early pregnancy?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Normal levels of hCG vary widely between women. Women can even experience a considerable difference in hCG levels from one pregnancy to the next.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Low levels of hCG can be detected in your blood serum <a href=\"https:\/\/www.avawomen.com\/avaworld\/implantation-calculator-when-did-it-happen\/\">as soon as implantation is complete<\/a>. As your pregnancy progresses the placenta grows in size leading to increasing levels of hCG.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The table below gives a guideline as to the normal range of hCG levels during each week of pregnancy.<\/span> <span style=\"font-weight: 400;\">hCG levels are measured in milli-international units of hCG hormone per milliliter of blood (mIU\/ml).<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Pregnancy week<\/b><\/p>\n<p><b>(weeks since last menstrual period)<\/b><\/td>\n<td><b>Normal range for hCG (mIU\/ml)<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Non-pregnant<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0 \u2013 5<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5 &#8211; 50<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5 \u2013 426<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">18 \u2013 7340<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1080 \u2013 56 500<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">7 \u2013 8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7650 \u2013 229 000<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">9 &#8211; 12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25 700 \u2013 288 000<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">13 &#8211; 16<\/span><\/td>\n<td><span style=\"font-weight: 400;\">13 300 \u2013 254 000<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">17 &#8211; 24<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4060 \u2013 165 400<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">25 &#8211; 40<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3640 \u2013 117 000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Immediately after implantation hCG levels are very low. In a healthy pregnancy, levels of hCG double every 24 \u2013 48 hours during the first three to five weeks. From <a href=\"https:\/\/www.avawomen.com\/avaworld\/5-weeks-pregnant-and-finally-feeling-it\/\">weeks five<\/a> to six the doubling time slows to 48 \u2013 72 hours. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">The rate of increase then slows further and hCG levels reach a peak of around 100,000 mIU\/ml by <a href=\"https:\/\/www.avawomen.com\/avaworld\/10-weeks-pregnant\/\">week 10<\/a>. After this hCG levels decrease and remain stable at approximately 20,000 mIU\/ml for the remainder of pregnancy. The higher levels of hCG in the first trimester are the reason women often experience more intense<\/span><a href=\"https:\/\/www.avawomen.com\/avaworld\/early-signs-of-pregnancy\/\"> <span style=\"font-weight: 400;\">pregnancy symptoms<\/span><\/a><span style=\"font-weight: 400;\"> in early pregnancy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is important to consider the varying levels of hCG during pregnancy when taking a pregnancy test. Testing too early (before 12 days past ovulation) could mean that hCG levels are too low to be detected or result in a<\/span><a href=\"https:\/\/www.avawomen.com\/avaworld\/faint-line-pregnancy-test\/\"> <span style=\"font-weight: 400;\">faint line<\/span><\/a><span style=\"font-weight: 400;\"> on the pregnancy test. Testing later in pregnancy, however, can lead to a<\/span> <a href=\"https:\/\/www.avawomen.com\/avaworld\/false-negative-pregnancy-test\/\"><span style=\"font-weight: 400;\">false negative<\/span><\/a><span style=\"font-weight: 400;\"> result due to a phenomenon called the hook effect.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pregnancy tests work by detecting a specific type of hCG known as intact hCG. Later in pregnancy levels of another type of hCG called hCG-\u03b2cf can increase. hCG-\u03b2cf prevents the pregnancy test from detecting the original intact hCG resulting in a false negative result.<\/span><\/p>\n<h2><b>How is hCG measured?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">hCG levels are not routinely tested during pregnancy. If your doctor has cause for concern monitoring hCG levels can be a useful way to check your pregnancy is progressing normally.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A single hCG test may be used to see if your levels are within the expected range for the stage of your pregnancy. Given the wide range of normal hCG values your doctor will often find it more useful to check the doubling time of your hCG levels. To do this serial hCG measurements will be made two to three days apart.<\/span><\/p>\n<h2><b>How common is low hCG in early pregnancy?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">If your hCG levels are lower than expected, it is not necessarily a cause for concern. Your doctor will usually be more interested in the rate at which your hCG levels are rising.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A healthy pregnancy is usually based on an hCG increase of 66% or more over two days. It is worth keeping in mind that <\/span><span style=\"font-weight: 400;\">slow rising hCG levels occur in around<\/span> <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/6454867\"><span style=\"font-weight: 400;\">15% of pregnancies<\/span><\/a><span style=\"font-weight: 400;\"> that continue without complications. <\/span><span style=\"font-weight: 400;\">One study has even shown that an <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22192138\"><span style=\"font-weight: 400;\">hCG rise of at least 35%<\/span><\/a><span style=\"font-weight: 400;\"> can still be considered normal.<\/span><\/p>\n<h2><b>What causes low hCG levels?<\/b><\/h2>\n<h3><b>Miscalculated gestational age<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A common reason for low hCG levels is a miscalculated gestational age. This happens when the stage of pregnancy and the estimated birth date are wrong.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gestational age is calculated based on the date of your last menstrual period. If you have irregular cycles, long cycles with <a href=\"https:\/\/www.avawomen.com\/avaworld\/late-ovulation\/\">late ovulation<\/a>, or cannot remember the exact dates of your last period, your hCG levels may appear lower than expected but in actual fact be normal for the stage of your pregnancy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When calculating <\/span><a href=\"https:\/\/www.avawomen.com\/avaworld\/how-many-weeks-pregnant-am-i\/\"><span style=\"font-weight: 400;\">how many weeks pregnant<\/span><\/a><span style=\"font-weight: 400;\"> you are it is in fact more accurate to date from time of ovulation. Implantation typically occurs between eight and <a href=\"https:\/\/www.avawomen.com\/avaworld\/10-dpo-bfp\/\">10 days post ovulation<\/a>. Once implantation is complete levels of hCG begin to rise and can be detected using a pregnancy test by around 12 days post ovulation.<\/span><\/p>\n<h3><b>Ectopic pregnancy<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">hCG levels that are slow rising or level off before eight weeks can indicate an<\/span> <a href=\"https:\/\/www.avawomen.com\/avaworld\/ectopic-pregnancy\/\"><span style=\"font-weight: 400;\">ectopic pregnancy<\/span><\/a><span style=\"font-weight: 400;\">. An ectopic pregnancy is an abnormal pregnancy where the embryo implants outside of the uterus, usually in the Fallopian tube.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is important to remember that the rate of hCG increase varies widely between women. The rate of increase also slows towards the end of the first trimester. Because of this hCG measurements are used in combination with ultrasound to diagnose ectopic pregnancy.<\/span><\/p>\n<h2><b>Low hCG levels in miscarriage<\/b><\/h2>\n<h3><b>Does low hCG mean miscarriage?<\/b><\/h3>\n<p><a href=\"https:\/\/www.avawomen.com\/avaworld\/miscarriage-101\/\"><span style=\"font-weight: 400;\">Miscarriage<\/span><\/a><span style=\"font-weight: 400;\"> is a pregnancy loss before 20<\/span> <span style=\"font-weight: 400;\">weeks of gestation. Low hCG levels can sometimes indicate that you have had or will have a miscarriage. Normal levels of hCG vary between women and the stage of pregnancy however so low levels of hCG are not always a sign of miscarriage.<\/span><\/p>\n<h3><b>Does slow rising hCG mean miscarriage?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Like the level of hCG, the rate at which hCG levels rise differs significantly between women and the stage of pregnancy. Slower doubling times of hCG in the first trimester have been associated with an increased risk of miscarriage but studies have also shown that <\/span><span style=\"font-weight: 400;\">slow rising hCG levels occur in around 15%<\/span> <span style=\"font-weight: 400;\">of healthy pregnancies.<\/span><\/p>\n<h3><b>Does falling hCG mean miscarriage?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Falling hCG levels can be a sign of a miscarriage. Falling levels of hCG will often be accompanied by additional symptoms such as bleeding or cramping. Further testing including an ultrasound scan will be required to check the health of your pregnancy.<\/span><\/p>\n<h2><b>Can you increase hCG?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Unfortunately, there is nothing that can be done to prevent or treat low hCG levels.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the low levels are caused by a pregnancy loss or an ectopic pregnancy, treatment will be focused on <\/span><span style=\"font-weight: 400;\">ensuring any remaining pregnancy tissue is passed or removed from the body<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is important to remember that low hCG levels are not caused by anything you have done. If low hCG levels are due to a pregnancy loss this does not necessarily affect your chances of getting pregnant again.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you have been told you have low hCG levels you may be worried about [&hellip;]<\/p>\n","protected":false},"author":10030,"featured_media":38078,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[784,36],"tags":[330,254],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.3 (Yoast SEO v18.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Low hCG levels: Does it Always Mean a Miscarriage? - Ava<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Low hCG levels: Does it Always Mean a Miscarriage?\" \/>\n<meta property=\"og:description\" content=\"If you have been told you have low hCG levels you may be worried about [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/\" \/>\n<meta property=\"og:site_name\" content=\"Ava\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/avabracelet\" \/>\n<meta property=\"article:published_time\" content=\"2020-05-22T20:19:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/post_227_200522_low-hcg-levels_1024x668.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1716\" \/>\n\t<meta property=\"og:image:height\" content=\"1120\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@avawomen\" \/>\n<meta name=\"twitter:site\" content=\"@avawomen\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elizabeth Oliver, PhD\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#organization\",\"name\":\"Ava Women\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/avabracelet\",\"https:\/\/instagram.com\/avawomen\/\",\"https:\/\/www.linkedin.com\/company\/ava-ag\",\"https:\/\/www.youtube.com\/channel\/UCZ1BceGFRgHo0kIZGaRWHsQ\",\"https:\/\/www.pinterest.com\/avawomen\/\",\"https:\/\/twitter.com\/avawomen\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.avawomen.com\/avaworld\/wp-content\/uploads\/2015\/12\/Logo_Ava_black_violet_rgb1.png\",\"contentUrl\":\"https:\/\/www.avawomen.com\/avaworld\/wp-content\/uploads\/2015\/12\/Logo_Ava_black_violet_rgb1.png\",\"width\":300,\"height\":80,\"caption\":\"Ava Women\"},\"image\":{\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#website\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/\",\"name\":\"Ava\",\"description\":\"Fertility Tracker\",\"publisher\":{\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/#primaryimage\",\"url\":\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/post_227_200522_low-hcg-levels_1024x668.jpg\",\"contentUrl\":\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/post_227_200522_low-hcg-levels_1024x668.jpg\",\"width\":1716,\"height\":1120,\"caption\":\"woman with low hcg levels\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/#webpage\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/low-hcg-levels\/\",\"name\":\"Low hCG levels: Does it Always Mean a Miscarriage? 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