{"id":2667,"date":"2026-06-24T13:22:57","date_gmt":"2026-06-24T13:22:57","guid":{"rendered":"https:\/\/maigaard.dk\/en\/?p=2667"},"modified":"2026-06-24T13:23:00","modified_gmt":"2026-06-24T13:23:00","slug":"the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle","status":"publish","type":"post","link":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/","title":{"rendered":"The Complete Guide to Ovulation: How to Calculate Your Fertile Days and Understand Your Cycle"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>What is ovulation?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ovulation is the process in which one of the ovaries releases a mature egg, typically just one per cycle, for potential fertilisation. This usually happens around the middle of the menstrual cycle, often somewhere between day 10 and day 16 in a typical 28-day cycle, but the exact timing can vary a lot.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once released, the egg moves into the fallopian tube, a narrow passage that connects the ovary to the uterus. This is the place where fertilisation usually takes place. Here, the egg remains viable for about 12\u201324 hours. Only if sperm is present during this time, is conception possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the egg is not fertilised, it begins to degenerate and is naturally absorbed by the body. The uterine lining later sheds as part of menstruation.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ovulation and Fertility Window<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">While ovulation itself is a relatively short event, intercourse does not need to occur on the exact day of ovulation for pregnancy to be possible.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The fertile window is much longer, usually spanning around 6 days: the 5 days before ovulation plus the day of ovulation itself.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nourished by cervical mucus, healthy sperm can be resilient, surviving up to 3\u20135 days in the female reproductive tract under ideal conditions. This makes it possible for pregnancy even if intercourse takes place on cycle days 10\u201312. That is why individuals usually have several fertile days within each cycle, even though ovulation itself typically lasts no longer than a day.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;How to calculate your fertile days<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As mentioned earlier, many calculators estimate ovulation by counting backwards around 14 days from the expected start of the next period. This is based on the fact that the time after ovulation until menstruation, also known as the luteal phase, is relatively consistent in most people, while the time before ovulation varies more from cycle to cycle.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To be able to use this method, it is necessary to know your cycle length. It is calculated from the first day of full menstrual bleeding, considered day 1 of a new cycle, to the day before the next full menstrual bleeding starts. Note that ovulation is anchored to the underlying hormonal cycle, rather than the time when bleeding ends.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In a 28-day cycle, ovulation may occur around day 14<\/li>\n\n\n\n<li>In a 32-day cycle, ovulation may occur closer to day 18<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">You can perform these calculations on your own or use one of the online tools, such as ovulation calculators and cycle trackers. These are usually based on the same principle, designed to estimate fertile days based on your menstrual cycle length. They can also provide convenient functionality to store and view data on the cycles you have tracked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It may not be possible to estimate when ovulation is likely to occur using calendar-based methods if you do not have regular cycles. But for people with relatively regular cycles, such tools may help identify patterns and estimate when ovulation is likely to occur. However, these predictions are usually based on averages, which can limit their accuracy.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why are ovulation calculators not always accurate?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, a vast majority of people do not have menstrual cycles of exactly the same length every single time. In medical practice, even the term \u201cregular cycle\u201d often refers to cycles varying by less than 7 days from the personal average. Along with natural fluctuations, a range of factors can disrupt ovulation, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Health conditions, including polycystic ovary syndrome (PCOS) and thyroid disorders, among others;<\/li>\n\n\n\n<li>Elevated cortisol often associated with stress;<\/li>\n\n\n\n<li>Travelling and jet lag;<\/li>\n\n\n\n<li>Inflammation caused by illness, fever or other conditions;<\/li>\n\n\n\n<li>Hormonal shifts;<\/li>\n\n\n\n<li>Intense workouts;<\/li>\n\n\n\n<li>Weight changes;<\/li>\n\n\n\n<li>Nutrient-eliminating diets;&nbsp;<\/li>\n\n\n\n<li>Insufficient sleep.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Meanwhile, in individuals with irregular cycles, ovulation may occur inconsistently, too.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For that reason, relying only on the calculation itself may not be sufficient. For greater accuracy, it is helpful to understand the different phases of the menstrual cycle and associated changes in the body or to use more precise ovulation tracking.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Menstrual cycle and ovulation timing&nbsp;<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Although a menstrual cycle varies from person to person, it is generally divided into four main phases. Each phase is controlled by hormonal changes that prepare the body for a possible pregnancy and influence the fertile window.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Menstrual phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The menstrual phase begins on the first day of your period. During this stage, the uterine lining sheds because pregnancy did not occur in the previous cycle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For many people, menstruation lasts between 3 and 7 days. Hormone levels, including oestrogen and progesterone, are at their lowest during this time before gradually rising again as a new cycle starts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Follicular phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The follicular phase begins at the same time as menstruation but continues after the bleeding ends.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During this phase, the brain releases follicle-stimulating hormone (FSH), which encourages the development of several follicles in the ovaries. These are small fluid-filled sacs, each containing an immature egg. Usually, only one follicle becomes dominant and continues maturing the egg that will be later released during ovulation. At the same time, rising oestrogen levels help prepare the uterus for a possible pregnancy by stimulating the thickening of its lining.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is the phase that tends to vary the most in length, which is one of the reasons why ovulation does not always happen on the same day each cycle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ovulation phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As mentioned earlier, ovulation happens when the mature egg is released from the ovary into the fallopian tube. For this process to be triggered, luteinising hormone (LH) has to rise. This is why many ovulation tests are designed to detect LH levels.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luteal phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After ovulation, the empty follicle in the ovary changes into a temporary structure called the corpus luteum, also known as the \u201cyellow body.\u201d It produces progesterone, a hormone that helps prepare and maintain the uterine lining for a possible pregnancy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If conception does not occur, the yellow body gradually breaks down, hormone levels fall, and menstruation begins again, starting a new cycle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compared with the follicular phase, the luteal phase is often more consistent in length and typically lasts around 12\u201316 days.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Common signs of ovulation<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Some people notice physical signs around ovulation that can be helpful in estimating its timing. Among the most common are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clear, stretchy cervical mucus with a thinner, more slippery texture caused by rising oestrogen levels, which helps sperm travel more easily;<\/li>\n\n\n\n<li>Increased libido, resulting from hormonal changes around ovulation, particularly the rise in oestrogen and luteinising hormone (LH);<\/li>\n\n\n\n<li>Mild pelvic discomfort, often linked to the moment the follicle releases the egg from the ovary. During this event, some people experience a brief, one-sided sensation in the lower abdomen;&nbsp;<\/li>\n\n\n\n<li>A small increase in basal body temperature that may occur within hours to 2 days after ovulation.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It is also completely normal to notice only some of these signs during ovulation, or none at all.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Other methods of ovulation prediction<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">While calculation methods can be useful for some individuals with regular cycles, other ovulation tracking techniques may provide more insights. Even when using these methods, it is still helpful to track the length and pattern of your menstrual cycle, as this provides important context for understanding ovulation timing more accurately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ultrasound monitoring of follicle development<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/maigaard.dk\/en\/blog\/comprehensive-fertility-assessment-for-men-and-women-learn-about-your-reproductive-health\/?_gl=1*1gk34ye*_up*MQ..*_ga*MTk0ODIxMDAwNi4xNzc3NDk1OTg0*_ga_LLTEHE5QGJ*czE3Nzc0OTU5ODMkbzEkZzAkdDE3Nzc0OTU5ODMkajYwJGwwJGgxMTE3MTU1NDMx\">Ultrasound monitoring<\/a> is a direct way to observe what is happening in the ovaries during the menstrual cycle.&nbsp; Compared with home-based methods, this technique offers a more reliable assessment because it does not utilise indirect signs such as hormonal changes, body temperature, or cervical mucus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using a transvaginal scan, clinicians can follow the growth of follicles, assess their size and development over time, and evaluate whether ovulation is likely to occur. As the dominant follicle approaches a size of around 18\u201325 mm, ovulation is typically considered imminent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At<a href=\"https:\/\/maigaard.dk\/en\/blog\/why-choose-to-pay-for-treatment-at-a-private-fertility-clinic\/?_gl=1*1gk34ye*_up*MQ..*_ga*MTk0ODIxMDAwNi4xNzc3NDk1OTg0*_ga_LLTEHE5QGJ*czE3Nzc0OTU5ODMkbzEkZzAkdDE3Nzc0OTU5ODMkajYwJGwwJGgxMTE3MTU1NDMx\"> Maigaard\u2019s clinics<\/a> in Odense and Aarhus, we often use ultrasound scans when cycle timing is unclear or when more precise information about ovulation is needed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ovulation predictor kits<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ovulation predictor kits (OPKs) detect an LH surge that typically occurs 24\u201336 hours before ovulation. Such tests are often available in the form of urine strips or digital wands, which are used starting around cycle day 10 for a 28-day cycle.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A positive result usually indicates that ovulation is likely to occur soon and that the fertile window is approaching its peak. However, it does not guarantee that ovulation has actually taken place, as in some cases the follicle may not release the egg despite the hormonal changes detected by the test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The reliability of ovulation tests can also be affected by conditions such as PCOS, hormonal changes during perimenopause, the transitional phase leading up to menopause, as well as certain fertility medications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tracking Basal Body Temperature (BBT)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some individuals track changes in basal body temperature (BBT) to better understand their ovulation patterns. While this method may help identify when ovulation has occurred, it does so retrospectively, as the temperature rise associated with ovulation typically happens afterwards.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While BBT tracking may help confirm that ovulation has already occurred, it is generally less reliable for predicting ovulation in advance. Temperature changes are often small, from around 0.3\u00b0C to 0.6\u00b0C and can also be influenced by many factors, including poor sleep, illness, alcohol consumption, stress or travelling, among others.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Monitoring Cervical Mucus<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tracking changes in cervical mucus is another method based on common signs of ovulation. In some individuals, in the days leading up to ovulation, cervical mucus becomes clearer, more slippery, and more stretchy under the influence of rising oestrogen levels.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tracking these patterns may also help identify the fertile window. However, healthy ovulation can still occur without noticeable changes in cervical mucus. Even for individuals who do observe differences in discharge throughout the cycle, the signs are not always easy to interpret. Hydration, infections, hormonal fluctuations, previous hormonal contraception use, and natural individual variation can all influence mucus consistency.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Irregular cycles and ovulation<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Irregular cycles can make it more difficult to predict fertile days or identify ovulation timing. This uncertainty may feel frustrating, particularly when trying to conceive. However, irregular cycles do not automatically mean absent ovulation or a serious problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At Maigaard, we assess irregular cycles individually, considering detailed cycle history, including its length and symptoms. Where necessary, we use reliable methods like ultrasound scans for accurate assessment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Consultation about ovulation at a private clinic&nbsp;<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Asking questions about your cycle is completely normal, and you are always welcome to <a href=\"https:\/\/maigaard.dk\/en\/contact\/\">reach out to Maigaard<\/a> whenever you feel unsure or would simply like to understand your cycle better. Among our patients are not only individuals trying to conceive, but also those who simply want a better understanding of their bodies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At Maigaard, the goal is not simply to label a cycle as \u201cnormal\u201d or \u201cabnormal,\u201d but to understand your individual pattern more clearly. This is also why we recommend not comparing your cycle too closely to someone else\u2019s, as it can create unnecessary stress or confusion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It may be helpful to seek guidance if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your cycles are consistently irregular<\/li>\n\n\n\n<li>Ovulation tests feel confusing<\/li>\n\n\n\n<li>You cannot identify any clear cycle pattern<\/li>\n\n\n\n<li>You feel uncertain about your fertile days<\/li>\n\n\n\n<li>You have been trying to conceive for around a year without success<\/li>\n\n\n\n<li>You simply want more clarity about your cycle<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">At Maigaard, we encourage patients to reach out whenever uncertainty starts to feel stressful. You can expect that we take time to listen, assess your cycle with the appropriate tests, and explain everything clearly. The goal is to give you both knowledge and reassurance moving forward.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong>Frequently Asked Questions<\/strong><\/strong><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1780921465416\"><strong class=\"schema-faq-question\">Can you ovulate late, after day 21?<\/strong> <p class=\"schema-faq-answer\">Yes. Ovulation after day 21 can be completely normal, particularly in longer menstrual cycles or in regular cycles temporarily disrupted by factors like stress, illness, travel, or changes in weight.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921505566\"><strong class=\"schema-faq-question\">Can you ovulate without symptoms or a regular period?<\/strong> <p class=\"schema-faq-answer\">Yes. Some people ovulate without noticing any clear physical signs. Ovulation can also occur in cycles that are not perfectly regular.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921525431\"><strong class=\"schema-faq-question\">Can you get pregnant during your period?<\/strong> <p class=\"schema-faq-answer\">Yes, although it is less likely. Since sperm can survive in the reproductive tract for several days, fertilisation may still happen after intercourse during a period if ovulation occurs relatively early in the cycle. This is generally more likely in individuals with shorter or less predictable cycles.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921542044\"><strong class=\"schema-faq-question\">Can you ovulate twice in one cycle?<\/strong> <p class=\"schema-faq-answer\">In some cases, more than one egg may be released during the same cycle. When this happens, ovulation usually occurs within a short time frame rather than on completely separate days. This is uncommon in natural cycles but can occur, and it is one of the reasons why fraternal twins, who develop from two separate eggs fertilised by two separate sperm cells, are possible.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921559776\"><strong class=\"schema-faq-question\">What causes ovulation spotting or pain?<\/strong> <p class=\"schema-faq-answer\">Some individuals notice mild pelvic discomfort or light spotting around ovulation. This is thought to be related to hormonal changes and the release of the egg from the follicle.<br>Ovulation-related discomfort is usually temporary and mild. However, persistent, severe, or heavy bleeding should always be assessed by a healthcare professional.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921571841\"><strong class=\"schema-faq-question\">Does late ovulation affect egg quality?<\/strong> <p class=\"schema-faq-answer\">Late ovulation does not necessarily mean lower egg quality. In many cases, delayed ovulation is related to cycle timing variation rather than the health of the egg itself.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921592769\"><strong class=\"schema-faq-question\">Can you get pregnant right after ovulation?<\/strong> <p class=\"schema-faq-answer\">Pregnancy is most likely in the days leading up to ovulation and on the day ovulation occurs. After ovulation, the egg remains viable for only around 12\u201324 hours. For this reason, the chances of conception decrease significantly once this window has passed.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780921608789\"><strong class=\"schema-faq-question\">Are irregular cycles a fertility problem?<\/strong> <p class=\"schema-faq-answer\">Not necessarily. Some variation in cycle length is common, and many people with irregular cycles still ovulate regularly.<br>However, consistently long, short, or highly unpredictable cycles can sometimes indicate that ovulation does not occur regularly. In these cases, further evaluation may help clarify the underlying pattern.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>What is ovulation? Ovulation is the process in which one of the ovaries releases a mature egg, typically just one per cycle, for potential fertilisation. This usually happens around the middle of the menstrual cycle, often somewhere between day 10 and day 16 in a typical 28-day cycle, but the exact timing can vary a [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":2669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2667","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"featured_media_global":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Calculate Ovulation and Fertile Days - Maigaard EN<\/title>\n<meta name=\"description\" content=\"Learn how to calculate ovulation, understand your fertile window, track cycle signs and explore methods to predict your most fertile days more accurately.\" \/>\n<meta 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This is uncommon in natural cycles but can occur, and it is one of the reasons why fraternal twins, who develop from two separate eggs fertilised by two separate sperm cells, are possible.","inLanguage":"en-GB"},"inLanguage":"en-GB"},{"@type":"Question","@id":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921559776","position":5,"url":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921559776","name":"What causes ovulation spotting or pain?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Some individuals notice mild pelvic discomfort or light spotting around ovulation. This is thought to be related to hormonal changes and the release of the egg from the follicle.<br>Ovulation-related discomfort is usually temporary and mild. However, persistent, severe, or heavy bleeding should always be assessed by a healthcare professional.","inLanguage":"en-GB"},"inLanguage":"en-GB"},{"@type":"Question","@id":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921571841","position":6,"url":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921571841","name":"Does late ovulation affect egg quality?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Late ovulation does not necessarily mean lower egg quality. In many cases, delayed ovulation is related to cycle timing variation rather than the health of the egg itself.","inLanguage":"en-GB"},"inLanguage":"en-GB"},{"@type":"Question","@id":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921592769","position":7,"url":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921592769","name":"Can you get pregnant right after ovulation?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Pregnancy is most likely in the days leading up to ovulation and on the day ovulation occurs. After ovulation, the egg remains viable for only around 12\u201324 hours. For this reason, the chances of conception decrease significantly once this window has passed.","inLanguage":"en-GB"},"inLanguage":"en-GB"},{"@type":"Question","@id":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921608789","position":8,"url":"https:\/\/maigaard.dk\/en\/blog\/the-complete-guide-to-ovulation-how-to-calculate-your-fertile-days-and-understand-your-cycle\/#faq-question-1780921608789","name":"Are irregular cycles a fertility problem?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Not necessarily. Some variation in cycle length is common, and many people with irregular cycles still ovulate regularly.<br>However, consistently long, short, or highly unpredictable cycles can sometimes indicate that ovulation does not occur regularly. In these cases, further evaluation may help clarify the underlying pattern.","inLanguage":"en-GB"},"inLanguage":"en-GB"}]}},"featured_image_src":"https:\/\/maigaard.dk\/en\/wp-content\/uploads\/sites\/3\/2026\/06\/Den-komplette-guide-til-aeglosning-600x400.jpg","featured_image_src_square":"https:\/\/maigaard.dk\/en\/wp-content\/uploads\/sites\/3\/2026\/06\/Den-komplette-guide-til-aeglosning-600x600.jpg","author_info":{"display_name":"mgww","author_link":"https:\/\/maigaard.dk\/en\/blog\/author\/mgww\/"},"_links":{"self":[{"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/posts\/2667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/comments?post=2667"}],"version-history":[{"count":6,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/posts\/2667\/revisions"}],"predecessor-version":[{"id":2711,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/posts\/2667\/revisions\/2711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/media\/2669"}],"wp:attachment":[{"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/media?parent=2667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/categories?post=2667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maigaard.dk\/en\/wp-json\/wp\/v2\/tags?post=2667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}