FET SUCCESS RATE CALCULATOR UPDATE
We will continue to update and publish our internal data and we will update the published studies and data as more become available. It’s important for your physician to provide a reasonably accurate assessment of the number of mature (usable) eggs that you should expect after your initial fertility consult (this number is typically between 50-100% of your antral follicle count). By adjusting your input numbers, you will be able to evaluate the potential benefit and limitations of freezing your eggs. It is also intended to help women who are deciding if egg freezing is right for them. We created this tool for patients who want to better understand the likelihood of having a baby from their frozen eggs.
Live birth rate per chromosomally normal embryo.īy combining these data points, you can produce a realistic and IVF center-specific probability of having a baby. While this depends primarily on age at which your eggs are ovulated, age-specific rates may also vary from practice to practice (and even physician to physician). Probability that your embryos are chromosomally normal. Progression rate from fertilized eggs to blastocyst stage embryos. Fertilization rate of both fresh and frozen eggs. We suggest you speak with your IVF center to understand their unique: Every lab has their own unique approaches, even when using the same protocol. Egg freezing is arguably the most technically challenging procedure performed in the IVF lab and is still performed by hand. NOTE: All three data sources come from centers with significant experience in egg freezing. As new data are made available, we will update our calculator regularly to better help you make informed decisions with the best and most recent evidence available. This Frozen Egg Probability Calculator uses data from two published studies, as well as extrapolated data from Spring Fertility’s current egg freezing outcomes. For women over 37 years old at the time of freezing, data are still limited. studies provides a good indicator of chances for success, particularly among women freezing their eggs before their 38 th birthday. For now, the consistency of the Cobo et al. We will continue to update and publish our internal data quarterly and we will update the published studies and data as more become available. You can click the “?” next to each result to learn more about the underlying data and how the estimates were calculated. We then assume a normal (binomial) distribution of births among eggs to calculate the chances of having 1 and more than 1 child based on the number of eggs you have frozen and the age at which they were frozen. This tool estimates the probability for a pregnancy based on the two largest peer reviewed published studies available, as well as Spring Fertility’s own egg freezing outcomes which are updated regularly.īriefly, both studies and our data are used to provide an estimated live birth rate per frozen egg. Every woman’s fertility journey is affected by a number of factors, and each woman should work with her physician to predict the number of eggs she can expect to freeze, understand the likelihood of success at different ages, and use the provided estimates to assist in making the best decision for her future goals. 
It is important to note that while this tool is based on available data from ~3,750 frozen/warmed eggs, ultimately your success will be binary: a woman either achieves a successful pregnancy or not. We created the Egg Freezing Calculator to help you develop realistic expectations around egg freezing, and to estimate your frozen egg to baby probability. Therefore, we fully respect our patient’s choice whether or not to inform us about the birth of their child(ren).A transparent look at your chance of success with your frozen eggsįreezing your eggs can be a valuable tool for creating options and improving your chances of having a healthy baby, but it’s not a guarantee. However, all live birth information is private and confidential. We also practice stringent live birth data collection. Here at KL Fertility Centre, all of our patients who had successfully reached their 12 weeks of pregnancy will be looked after by external obstetricians for antenatal care until delivery. In order to be able to present live birth rates, all live births data must be made available to us. At least one live-born baby beyond 24 weeks of gestationĪlthough clinical pregnancy is important, we know live birth rate is the most meaningful outcome for our patients, but we are unable to provide the live birth rates at this time.A live birth must fulfil one of the following criteria: Live birth rate is per the Australian and New Zealand Assisted Reproductive Database (ANZARD) definition and further supported in Obstet Gynecol Sci 2018 61(4):489-496.
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