You are currently viewing 11 Factors That Determines Your IVF Success Rate

In-vitro fertilization (IVF) is a popular assisted reproductive technology (ART) used to help couples achieve pregnancy when natural methods fail. The success rate of IVF is a critical factor in determining its effectiveness. So what is IVF Success Rate? How to Determine?

IVF success rate is calculated by dividing the number of successful pregnancies by the number of IVF cycles performed. It is usually expressed as a percentage. However, certain IVF Success Factors influence its success rates, and patients should be aware of these factors before embarking on the IVF journey.

IVF Success Depends on What Factors?

While IVF can be successful in helping couples conceive, several IVF success factors can determine the success rate, whether it’s the Success Rate of IVF First Time or more. Here are the top eleven factors that IVF Success Rate depends on:

previous pregnancy

1. IVF Success Rate by Age

Women below the age of 35 have a higher success rate as compared to those above 40. This is because with age, the number and quality of eggs decrease, making it difficult to conceive. Thus, it is recommended to undergo IVF treatment at a younger age to increase the chances of success.

2. Previous Pregnancy

If a woman has had a successful pregnancy before, it is a good indicator that the IVF treatment will be successful again. This is because the woman’s body has already proven that it can carry a pregnancy to term. However, if a woman has had multiple failed IVF attempts or miscarriages, the success rate may be lower.

3. Type of Fertility Issue

Some fertility issues are more difficult to treat than others, whether faced by men or their spouse/partner. For example, women with blocked fallopian tubes may have a lower success rate as compared to those with ovulation problems. The success rate of IVF first time will highly depend on this factor.

4. Egg and Embryo Quality

The quality of eggs and embryos used in IVF is another important factor the IVF Success Rate Depends on. Women with a higher number of good-quality eggs have a higher chance of success. Similarly, embryos that are of good quality have a higher chance of implantation. A good quality egg or embryo transfer is among the top IVF Success Factors.

Embryo Development

5. Quality of Sperm

Men with low sperm count, poor motility or abnormal sperm shape may have a lower chance of success. The semen analysis is a test that evaluates the quality and quantity of sperm. If the analysis reveals a problem with the quality of sperm, additional tests may be performed, such as DNA fragmentation or sperm morphology tests. Treatments like intra-cytoplasmic sperm injection (ICSI) can be used to increase the chance of successful fertilization.

6. Controlled Ovarian Stimulation (COH) Protocol

A doctor will determine the appropriate protocol based on a woman’s age, hormone levels, and other factors. The stimulation phase typically lasts for 10-14 days and is closely monitored with blood tests and ultrasounds. If too few eggs are produced, the cycle may be canceled, and a new protocol will be recommended.

7. Embryo Transfer

The timing, number, and quality of embryos transferred can impact the chances of pregnancy. The best-quality embryos are typically transferred first, with the goal of achieving a successful pregnancy while minimizing the risk of multiple births. Depending on the patient’s situation, the number of embryos transferred may vary.

8. Uterine Receptivity

IVF Success Rate Depends on the fact that the lining of the uterus should be thick enough to support implantation. The use of hormonal supplements and tests like hysteroscopy can improve uterine receptivity.

9. Lifestyle Factors

Certain lifestyle factors like smoking, alcohol consumption and stress can negatively affect IVF Success Factors. IVF Success Rate Depends on very much a healthy lifestyle! Smoking should be avoided before and during the IVF process, as it can reduce the number and quality of eggs. Alcohol should also be avoided, as it can interfere with the body’s hormone levels.

Pregnancy Weight

10. Weight

Women who are underweight or overweight may have a lower chance of success. Women who are underweight may not produce enough hormones to stimulate egg production, while women who are overweight may have difficulty with egg retrieval or embryo implantation. A healthy diet and regular exercise can help achieve a healthy weight before starting IVF. If weight is a significant issue, a doctor may recommend postponing IVF until a healthy weight is achieved.

11. Mental Health

Mental health also plays a crucial role towards IVF Success Factors. Anxiety, depression or stress can impact the chances of success. Seeking counseling or therapy or even Yoga and meditation can prove beneficial towards success rate of IVF first time or more.

Which is the most successful IVF Clinic in India with high success rates?

In India, there are several IVF Centers with high success rates. Among them, Asian Infertility Centre is one of the Most Successful IVF Clinics with a proven track record of successful IVF treatments. Till date, AIIM takes pride in its 27+ YEARS OF EXPERIENCE in the field of IVF with 15000+ HAPPY PARENTS and 10000+ Healthy Babies Delivered.

All because AIIM in houses state-of-the-art infrastructure, advanced technology, and experienced doctors and staff. Plus, it also provides a comprehensive range of fertility treatments, including IVF, IUI, ICSI, and surrogacy, among others. The clinic has helped numerous couples realize their dreams of parenthood and continues to provide world-class fertility services to patients.

In conclusion, before you go for IVF, consultation with an experienced fertility specialist is recommended for personalized evaluation and guidance towards understanding IVF Success depends on what factors.


The chances of IVF success can be increased by several factors, including age, previous pregnancy, type of fertility issue, egg and embryo quality, quality of sperm, controlled ovarian stimulation (COH) protocol, embryo transfer, uterine receptivity, lifestyle factors, and weight.

IVF Success Rate Depends on the women/men’s individual health. However, the average success rate for a woman under the age of 35 is approximately 40-50% per cycle.

Success Rate of IVF First Time depends on your individual health as per the 11 factors mentioned above; however, the average success rate for the first cycle of IVF is approximately 30%.

Dr. Shefali Jain

Dr. Shefali Jain is Gynecologist, Obstetrician & Infertility Specialist in Indore with more than 27 years of experience in the field of ART with highest success rate. She has received many awards for her exceptional work in the field of infertility. She has been an invited speaker to many national and international conferences.