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    in vitro fertilisation (ivf)

    What are IVF success rates? What are the factors determining IVF success rates?

    • 4.6   (6 Votes)

    The factors which determine success rates of IVF procedures includes maternal age, respective fertility issues, donor eggs, lifestyle, and infertility clinic choice. The IVF success rates vary from 41% - 43% for age of below 35 years and 13% - 18% for age of above 40 years of age.

    IVF success rates depend on a number of factors, some are within your control, others are not. However, it’s important to understand the factors involved in individual IVF success rates and to have realistic expectations when beginning IVF treatment. The choice of best IVF centre also plays an important role.

    Women with the best chance have a per-cycle IVF success rate of 40%. Most women have a per-cycle IVF success rate of more like 20-35%. These percentages should help set your expectations going into IVF and help you feel better if your first round of IVF doesn’t work.

    The success rate of IVF clinics depends on a number of factors including reproductive history, maternal age, the cause of infertility and lifestyle factors. It is also important to understand that pregnancy rates are not the same as live birth rates. (1) (2) (3)

    Factors Determine IVF Success Rates:

    1. Maternal Age
    2. Previous Pregnancy
    3. Types of Fertility Issue
    4. Use of Donor Egg
    5. Lifestyle
    6. Clinic Choice

    Here are some of the factor that determines the success rate:

    1. Maternal Age:

    One of the first questions asked of women considering infertility treatment as IVF is, “What is your age?”. This is because IVF success rates have been shown to decrease with age, and infertility experienced by women over the age of 35 brings a number of additional factors to consider. (4)

    Success Rate, Infertility Treatment

    2. Previous Pregnancy:

    Likely, the second question a clinic asks will relate to any previous pregnancies and/or how long you have been trying to get pregnant. 

    A history of miscarriage can affect the success of IVF, as can previous births and/or a different partner. How long you have been trying may also speak to possible fertility issues. Tracking your fertility journey with apps such as the OVO fertility fertility app can be a helpful way to prepare for IVF and to provide your doctor with the most information possible. (5)

    3. Types of Fertility Issue:

    Determining if you or your partner have any fertility issues can be a big indicator of whether IVF, an infertility treatment will work for you, and which additional reproductive technologies may be necessary to improve your chances of success. Blocked or damaged fallopian tubes, ovulation disorders, genetic disorders, and male infertility can be overcome with IVF, but identifying these factors is key to effective treatment. (6)

    4. Use of Donor Egg:

    Good egg quality and the age of the donor are significant considerations for IVF. If you're over 40, using donor eggs from younger women can increase the success rate of IVF. Also, fresh donor egg sees higher success rates than frozen eggs usage in infertility treatment. (7)

    IVF, IVF Success

    5. Lifestyle:

    Weight and the history of smoking can both effects IVF success rate. Being overweight may influence the medication needed to be successful with IVF and may influence the women's egg quality. Smoking also diminishes egg quality and can disrupt ovulation and fertilization. (8)

    6 Clinic Choice:

    The last factor in the likelihood of a successful IVF procedure is your clinic choice or best IVF centre choice. Some clinics claim higher success rates than others and charge accordingly. However, higher success rates could be associated with only taking on patients with the most optimal chances of success, or having a smaller patient population overall. (9)

    Success Rates of IVF:

    41-43% for women under age 35

    33-36% for women ages 35 to 37

    23-27% for women ages 38 to 40

    13-18% for women ages over 40.

    For a quick workup of what your success rate might be, there are a number of online calculators that estimate your chances of IVF success using basic personal information. IVF predict and IVF success rate are two such calculators. (10)

    To know more about expert tips, read about getting pregnant after IVF Treatment. Also, read about The Working of IUI if you are looking for IUI treatment for male fertility issues.





    Pankaj Bharti

    My wife has faced a miscarriage, but our doctor suggested that she can see IVF as an option. I will take opinions from other clinics also.

    Nov. 14, 2018, 6:40 p.m. 4.5



    I am 36 years old woman. I guess my chances of success are moderate, but I will still take a chance because I don't have any better alternative. Let's see what happens, hope for the best.

    Sept. 20, 2018, 8:12 p.m. 4.5


    Tamanna Singh

    Maternal age and choice of the clinic are the basic factors that decide the success of any fertility treatment be it IVF or IUI.

    Aug. 26, 2017, 4:21 p.m. 4.5


    Sonia Nigam

    Infertility treatments have a higher success rate with couples of younger age.

    Aug. 26, 2017, 4:17 p.m. 4.5


    Richa Jindal

    Infertility treatment has a higher success rate with couples of younger age.

    Aug. 26, 2017, 4:17 p.m. 4.5


    Punita Arora

    As per me, maternal age and types of fertility issues affect the success rate of IVF the most.

    Aug. 26, 2017, 1:14 p.m. 5.0

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    The information displayed on this webpage covers general information on several medical conditions, fertility treatments, IVF ICSI, surrogacy procedure, home remedies, and their respective treatments. The exclusive purpose of the displayed information is for the sake of general understanding and it has been collected from open sources which heavily rely on research and laboratory tests. However, the information shared here should not be considered as a medical advice or an alternative to consultation with a registered medical practitioner or licensed healthcare professional.

    It is not advised to self-diagnose or treat any medical condition or disease following the information given in this article. We insist you to consult a registered practitioner and never try to replace their advice or discontinue treatment in between by relying solely on the information obtained. External links to different websites as well as videos given on the website serve the purpose of sharing knowledge only. Ovo Health being an Independent Medical Information platform is neither responsible nor guarantees the authenticity, reliability, and accuracy of these videos and websites in any way. We do not intend the information displayed here to be used for a medical emergency, if you seek medical attention for yourself (or any other person with whom you want to share the information with), we advise you to directly get in touch with the hospital or the doctor.

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