Understanding Ivf Success Rates By Age And Number Of Embryos: The Key To Ivf Success

Understanding Ivf Success Rates By Age And Number Of Embryos The Key To Ivf Success

Fertility is something that declines with age and it is not a new concept. Since the fertility rate is reducing as you age, how can you expect to conceive via an artificial technology like IVF? Similarly, the number of embryos is also significant in increasing the success rate of the IVF process.

Understanding how factors like age and embryo count are affecting the success rate of IVF can provide you with valuable information that will come into use if you are considering IVF as a viable option. 

You must have already gone through a lot after realizing your partner is infertile. Do not fret, because you are not alone in this. Several women are deciding to pursue IVF, but no matter how simply we present the process, it is certainly a life-changing decision.

Hundreds of couples have benefitted from this treatment by far and most of them took this step when they were in their early 30s. You must have heard people saying that age is one of the biggest criteria that affect the success rate of IVF, while the number of embryos is another. What do you think do they really bring an impact or is it only a myth? 

If you are looking to consider IVF, then this article is certainly for you. Do not miss out on any information as this could be a game-changer for you. 

🔶 IVF Success Rates By Age 

Age is one of the important factors in deciding your fertility. As you grow older, the number of eggs decreases and you are more prone to end up with abnormal chromosomes as well.

IVF Success Rates By Age 

Changes in the uterine environment, egg quality, and decreased ovarian reserve are the other reasons why IVF is less successful with age. Aging can also develop many health conditions that can potentially affect your fertility. Conditions like endometriosis and fibroids are more common in older women. 

Often age is associated with the success rate of fertility treatments like IVF, while women only start to realize their condition after 35. Doctors usually suggest conceiving in your late twenties to understand whether or not your reproductive system functions properly.

If you are someone trying to conceive in the late twenties, then you are more likely to understand your level of fertility after a couple of years. But still, you will only be in your early 30s when infertility treatments are most likely to bring you the desired outcome.

IVF  success rates in first attempts increase when women come out to try the treatment as soon as possible. However, read the given information to educate yourself regarding what ages are suitable for women to conceive through IVF. 

Take note that these statistics are only applicable to women using their eggs and not donor eggs. 

💠 IVF Success Rates In The Early Thirties 

According to the Society for Assisted Reproductive Technology (SART), the US-based primary organization for professionals looking to contribute to the practice of assisted reproductive technologies, more than 55% of women have given live births via IVF. The success rate of the procedure with the first embryo transfer is 41% and with a later embryo transfer is 47%. 

💠 IVF Success Rates In The Mid-Thirties (35- 37)

IVF success rate for women in their mid-thirties is 40.5%. While the success rate based on the first embryo transfer is 31.5%, for a second or third embryo transfer is 44%. 

💠 IVF Success Rates In The Late Thirties 

Only 26.7% of women who are aged 38-40 can expect the IVF procedure to work for them, which is a visible decline. The success rate is 22.3% and 40.9% for women via the first embryo transfer and their subsequent embryo transfer. 

💠 IVF Succes Rates Over 40

The success rate of IVF reduces to 7% in women who are aged 40 or more. They are less likely to bring the desired outcome. Mostly, these women look for donors who are in the age group of 20-35, to increase the chance of success. 

IVF is also less recommended to aged women as the success rate is very less. This is because their fertility drastically declines after the 40s on top of which menopause also occurs. At this stage, doctors might either suggest you conceive using a donor egg or they will opt you other suggestions including surrogacy or adoption. 

However, age is not the only factor that affects the fertility or the success rates of IVF, but also the number of embryos. Let’s learn about it in the coming sections. 

🔶 IVF Success Rate by Number Of Embryos

Several factors influence the success rate of treatments like IVF among which one of the major factors is the embryo, its quality, and its number. A quality embryo will be sufficient to ensure the success of the treatment. But often, the doctors end up using the false quality embryo leading to the failure of the procedure.

IVF Success Rate by Number Of Embryos

This happens because there are embryos that look perfect but are free of any desired qualities and there are other sets of embryos that do not appear to be the best, but poses all the necessary qualities.

A doctor needs to be capable of identifying the quality embryo. To assist them in this, there is a new technology called pre-implantation diagnosis that helps choose the most efficient embryo for the treatment. 

💠 Success Rates Of Single Embryos And Multiple Embryos 

The success rates of single and multiple embryos appear to be more or less similar to each other. However, a single embryo is mostly recommended by the experts as the risk factors are less in this type of pregnancy.

When multiple embryos are transferred to a woman’s womb, who is already going through a lot due to abnormalities in the reproductive system, it increases the chance of multiple pregnancies, increasing the risk for both the mother and the baby. If not many, you must at least look for a single healthy baby. In that case, a single embryo transfer is better than the other. 


IVF success rates are affected by many factors such as the age of the conceiving women, and the quality and number of embryos. If using a donor egg or preferring surrogacy over natural pregnancy, then the age of the donor and the surrogate.

This article invites your attention to these factors so that it might help you or your dear ones when in need. From our research, it is understood that whatever your current planings are, make sure to give birth to your first baby in your mid or late 20s.

Because you become less fertile as you grow older and treatments are less likely to bring any outcome in such cases. So,  the first thing first, you shall try to conceive and if failed, consider a doctor who is capable to perform IVF treatment or any other infertility treatments that may assist you in your pregnancy. 

Leave a Reply

Your email address will not be published. Required fields are marked *