{"id":12184,"date":"2025-08-08T14:24:00","date_gmt":"2025-08-08T14:24:00","guid":{"rendered":"https:\/\/dev-east-1.progyny.com\/?p=12184"},"modified":"2025-08-12T20:32:27","modified_gmt":"2025-08-12T20:32:27","slug":"checking-progesterone","status":"publish","type":"post","link":"https:\/\/progyny.com\/education\/checking-progesterone\/","title":{"rendered":"Fertility Test: Checking Progesterone Levels"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Updated by the Progyny Clinical Team \u2014 July 2025.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Progesterone is a hormone mainly made in the ovaries. It\u2019s produced by the corpus luteum, which forms after an egg is released. This hormone helps prepare the uterus for an early embryo, which is a fertilized egg that has started to develop, to attach.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the egg attaches, progesterone helps keep the lining of the uterus thick and healthy to support the pregnancy. Later in pregnancy, the placenta also makes progesterone to help maintain it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Testing your progesterone levels<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This test checks the amount of the hormone in your blood on the day of the test. If you\u2019re having trouble getting pregnant or going through fertility treatment, your OBGYN or reproductive endocrinologist may check your levels to see if you\u2019ve ovulated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They might also test your levels if you\u2019ve had a miscarriage, stillbirth, or unusual bleeding, since this hormone plays an important role in supporting a healthy pregnancy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your levels are low and you\u2019ve had a miscarriage, your doctor may give you progesterone supplements in a future pregnancy once the pregnancy is confirmed. These supplements may help lower the risk of another miscarriage by creating a better environment in the uterus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding progesterone levels<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These levels go up after you ovulate and are highest about five to nine days later. This happens during the second half of your menstrual cycle, called the luteal phase. Because of this, progesterone is usually checked six to eight days after ovulation \u2014 around day 21 if you have a 28-day cycle. If the egg isn\u2019t fertilized, levels start to drop after this peak.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If your level is elevated within a certain range during the luteal phase, it likely means you are ovulating.<\/li>\n\n\n\n<li>If your level isn\u2019t elevated, it can mean that you\u2019re not ovulating.<\/li>\n\n\n\n<li>If your menstrual cycle is irregular, you may be asked to come in for several blood tests until your period begins. This can pinpoint when ovulation occurs and ensures an accurate test result.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What contributes to low progesterone levels?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are several factors that may be behind the low levels:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ovarian insufficiency<\/li>\n\n\n\n<li>Obesity<\/li>\n\n\n\n<li>Insulin resistance<\/li>\n\n\n\n<li>Polycystic ovary syndrome<\/li>\n\n\n\n<li>High stress levels<\/li>\n\n\n\n<li>Poor diet<\/li>\n\n\n\n<li>Lack of exercise<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What causes higher progesterone levels?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Higher levels can be caused by various conditions, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pregnancy<\/li>\n\n\n\n<li>Benign ovarian cysts<\/li>\n\n\n\n<li>Ovarian cancer<\/li>\n\n\n\n<li>Adrenal cancer<\/li>\n\n\n\n<li>Congenital adrenal hyperplasia<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If you have questions or concerns, Progyny is here for you. Please contact your Progyny Care Advocate for support.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disclaimer<\/strong>: The information provided by Progyny is for educational purposes only and is not medical advice. Always consult a qualified healthcare provider for medical guidance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Updated by the Progyny Clinical Team \u2014 July 2025. Progesterone is a hormone mainly made in the ovaries. It\u2019s produced [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":28220,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[230,241],"tags":[228],"class_list":["post-12184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education","category-fertility-testing","tag-article"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fertility Test: Checking Progesterone Levels | Progyny<\/title>\n<meta name=\"description\" content=\"If you\u2019re having trouble conceiving, or undergoing a fertility treatment cycle, your doctor will monitor your progesterone levels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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