Bavishi Fertility Institute

Understanding the success rate of IVF treatment

Understanding the success rate of IVF treatment

16 December 2024

Understanding the success rate of IVF treatment

In vitro fertilization (IVF) has revolutionized the field of reproductive medicine, offering hope to millions of couples who face difficulties in conceiving naturally. However, when embarking on the IVF journey, one of the most critical questions on everyone’s mind is: What is the success rate of IVF treatment? While this is a complex question with no one-size-fits-all answer, there are several factors that can help you understand how IVF success rates are determined and what you can expect.

In this blog, we’ll explore the IVF success rates in detail, explain the factors that affect them, and discuss ways to improve your chances of achieving a successful pregnancy through IVF.

What does IVF success rate mean?

When we talk about IVF success rates, we usually refer to the percentage of IVF cycles that result in a live birth. While clinics may also report on pregnancy rates or clinical pregnancy rates (where the pregnancy is confirmed by ultrasound), the ultimate goal for most couples is a live birth, and this is often considered the most important metric.

Success rates can vary based on a variety of factors including age, cause of infertility, and the clinic’s expertise. While global statistics show that the average IVF success rate per cycle is around 35-40% for women under 35, this number drops as age increases. But it’s crucial to remember that these are averages—each individual’s situation is unique, and success depends on many personalized factors.

Factors that influence IVF success rates

  • Age of the woman: Age is the most important factor in determining IVF success. Women are born with a finite number of eggs, and as they age, both the number and quality of eggs decrease. This directly impacts fertility and the chances of a successful IVF cycle.

     

    • Women under 35: Success rates of around 40-50%.
    • Women aged 35-37: Success rates of around 30-40%.
    • Women aged 38-40: Success rates of around 20-25%.
    • Women over 40: Success rates drop to around 10-15%.

These rates are averages, but women over 40 may still achieve success, particularly with the use of donor eggs.

  • Egg quality and Quantity: The quality and quantity of a woman’s eggs play a key role in IVF success. Women with higher ovarian reserve (the number of eggs available in the ovaries) have a better chance of retrieving good-quality eggs during an IVF cycle. Poor egg quality can lead to poor embryo development and lower implantation rates.

  • Sperm quality: While much of the focus is on the woman’s age and egg quality, male infertility factors can also affect IVF success. Sperm motility, count, and morphology are crucial. In some cases, intracytoplasmic sperm injection (ICSI) may be used to improve fertilization outcomes, especially in cases of severe male factor infertility.
Sperm quality
  • Underlying infertility cause: The reason for infertility significantly influences IVF outcomes. For example:
      • Women with tubal factor infertility (blocked or damaged fallopian tubes) tend to have higher success rates with IVF, as IVF bypasses the need for functioning fallopian tubes.

      • Women with endometriosis or poor ovarian reserve may experience lower success rates.

      • Couples dealing with unexplained infertility may face more uncertainty about their IVF outcomes.
  • Embryo quality and Transfer: The health and development of the embryos are critical in determining IVF success. Embryos are graded based on their development, and higher-quality embryos have better chances of implanting in the uterus. Some clinics offer preimplantation genetic testing (PGT) to screen embryos for genetic abnormalities, which can improve success rates, particularly for older women or couples with a history of miscarriage.

    Additionally, the number of embryos transferred can impact success. While transferring more embryos may increase the chances of pregnancy, it also raises the risk of multiple pregnancies (twins or triplets). Many clinics aim for single embryo transfers (SET) to minimize these risks while still maintaining high success rates.
  • Fresh vs. Frozen embryo transfers: The debate between fresh and frozen embryo transfers (FET) has shifted in recent years, with many clinics now favoring frozen transfers. Research suggests that frozen embryo transfers may offer higher success rates, as they allow the woman’s body more time to recover from ovarian stimulation and create a more favorable environment for implantation.
  • IVF clinic and laboratory expertise: The expertise of the fertility clinic and laboratory performing the IVF procedure is a significant factor in determining success. Clinics with experienced embryologists, advanced technologies, and personalized patient care can offer higher success rates.
  • Lifestyle factors: Your lifestyle can also influence IVF success. Here are some factors to consider:
Lifestyle factors
  • Body weight: Being overweight or underweight can negatively affect fertility and IVF outcomes. Maintaining a healthy weight through a balanced diet and regular exercise can improve your chances.

  • Smoking and alcohol consumption: Both smoking and excessive alcohol intake are linked to lower IVF success rates. Quitting smoking and reducing alcohol consumption before starting IVF is highly recommended.

  • Stress management: IVF can be emotionally taxing. High levels of stress may interfere with fertility and IVF success, so finding ways to manage stress—whether through relaxation techniques, counseling, or support groups—can be beneficial.
  • Number of IVF cycles It’s important to manage your expectations with IVF. Success rates increase with multiple cycles, as the cumulative success rate after several cycles can be higher than with just one attempt. Some couples may need to undergo 2-3 IVF cycles before achieving a pregnancy.

Understanding IVF success rates based on age

As noted earlier, age plays a critical role in IVF success. Here’s a more detailed breakdown of how success rates change with age:

  • Under 35 years: Women in this age group have the highest IVF success rates, often reaching up to 50% per cycle. This is because the eggs are typically of higher quality, and the ovarian reserve is still robust.

  • 35-37 years: Women in this age range still have relatively high success rates, but there is a slight decline compared to younger women. Success rates can range from 30-40%.

  • 38-40 years: Success rates begin to decline more significantly after age 38. IVF cycles in this age group often have a success rate of around 20-25%.

  • Over 40 years: Women over 40 face the steepest decline in IVF success, with average rates of around 10-15%. However, using donor eggs can dramatically improve success rates for women in this age group, sometimes reaching success rates similar to those seen in younger women.

Ways to improve your IVF success

Ways to improve your IVF success

While many factors affecting IVF success are out of your control, there are still steps you can take to improve your chances:

  • Optimize preconception health: Focus on improving your overall health before starting IVF. This can include taking prenatal vitamins, eating a nutrient-rich diet, staying physically active, and managing chronic health conditions such as diabetes or hypertension.
  • Choosing the right fertility clinic: Selecting an experienced fertility clinic with a proven track record can greatly impact your journey. It’s essential to research the clinic’s success rates, available technologies, and their commitment to personalized care.
  • Consider complementary therapies: While the scientific evidence is mixed, some studies suggest that complementary treatments like acupuncture, yoga, or stress-reduction techniques may support IVF success. Always consult with your fertility specialist before trying these therapies.

  • Maintain a healthy lifestyle: Avoid smoking, reduce alcohol consumption, and try to manage stress. Physical and emotional well-being can contribute positively to your IVF journey.

  • Understand the process and set realistic expectations: Knowing that IVF success may take more than one cycle can help manage emotional ups and downs. Focus on the long-term goal and stay patient through the process.

Why choose Bavishi Fertility Institute for IVF treatment in Mumbai? 

  • Expert IVF Specialists: Experienced fertility doctors dedicated to your success.

  • State-of-the-Art Technology: Cutting-edge IVF techniques and equipment.

  • Customized Treatment Plans: Personalized plans tailored to your unique needs.

  • High Success Rates: Proven track record of successful pregnancies.

  • Comprehensive Care: Emotional support and guidance throughout the process.

  • Multi-City Presence: 7 centers across India for easy access to care.

  • Affordable and Transparent Pricing: Competitive rates with no hidden costs.

Bavishi Fertility Institute in Mumbai combines expertise, advanced technology, and compassionate care for a successful IVF journey.

Conclusion

IVF success rates depend on many factors, including age, egg and sperm quality, the cause of infertility, and the expertise of the fertility clinic. While IVF is not a guaranteed solution, advances in reproductive medicine have significantly improved success rates over the years.

At Bavishi Fertility Institute, we are committed to helping couples achieve their dream of parenthood with personalized treatment plans and state-of-the-art technologies. Whether you are just beginning your IVF journey or have already undergone several cycles, we are here to support you every step of the way.

Contact us today to schedule your consultation and learn how we can help you on your path to parenthood.

Author bio

Dr. Parth Bavishi

Dr. Parth Bavishi, MD in Obstetrics and Gynecology, brings over 12 years of invaluable work experience to his role as Director of Bavishi Fertility Institute, leading a group of IVF clinics committed to helping couples realize their dreams of parenthood.

Bavishi Fertility Institute is dedicated to providing customized and personalized treatments which are simple, safe , smart and successful. Bavishi Fertility Institute works with success and satisfaction for all at heart. Providing an ideal blend of professional treatment and personalized care.

Dr. Parth had special training in infertility at Bavishi fertility Institute, the Diamond Institute, USA, and the HART Institute, Japan.

Dr. Bavishi is a distinguished expert in his field. In addition to his clinical practice, Dr.Bavishi is the author of the acclaimed book, ‘Your Miracle in Making: A Couple’s Guide to Pregnancy,’ offering invaluable insights to couples navigating the complexities of fertility. He loves to empower patients to make the correct choice by education both online and offline.

His exceptional contributions have earned him the prestigious Rose of Paracelsus award from the European Medical Association. Dr. Parth has been an invited faculty at many national and international conferences.

FAQs

Lifestyle factors like diet, exercise, and reducing stress can play a significant role in improving IVF outcomes. A healthy weight, quitting smoking, and limiting alcohol consumption are also recommended.

The equipment, techniques, and expertise of the embryologists in the IVF lab can directly influence embryo quality, which plays a crucial role in success rates.

While stress alone may not prevent success, high stress levels can negatively impact overall health and well-being. Techniques like counseling, meditation, and support groups can help manage stress.

The timing of embryo transfer, whether fresh or frozen, can significantly impact success. Some patients may benefit more from a frozen transfer to allow the body to recover from ovarian stimulation.

While a higher number of eggs may provide more opportunities for fertilization, egg quality is often more important than quantity in determining success.

Hormone levels, such as estrogen and progesterone, are carefully monitored during IVF treatment to ensure optimal conditions for egg maturation and embryo implantation.

While some patients explore complementary treatments like acupuncture, scientific evidence remains inconclusive. It’s important to discuss any supplemental therapies with your fertility specialist before starting them.

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