Understanding Your Chances with ICSI
Intracytoplasmic Sperm Injection (ICSI) is one of the most effective treatments for addressing male-factor infertility. By injecting a single sperm directly into a mature egg, ICSI helps overcome barriers that might prevent fertilization in traditional IVF. While ICSI has a strong track record, success rates vary from person to person depending on several biological and medical factors.
At Bangkok Central Clinic, we use advanced technology, personalised treatment plans, and deep clinical experience to support patients through every stage of ICSI. Our aim is not only to perform the procedure but to maximise the likelihood of a successful pregnancy with each cycle.
What Affects ICSI Success Rates?
Success in ICSI is not determined by one factor alone. Each case is influenced by a combination of elements including:
- Age of the female partner: Egg quality tends to decline with age, making this one of the most significant influences on success.
- Sperm quality: While ICSI can bypass many sperm issues, extremely poor sperm morphology or DNA fragmentation may still impact outcomes.
- Egg maturity and health: Healthy, mature eggs are essential for fertilisation and embryo development.
- Fertilization method: Direct injection improves fertilisation chances, but implantation success also depends on uterine health.
- Embryo quality: The strength and viability of embryos influence whether implantation and early development will occur.
- Clinic expertise and lab conditions: The skill of the embryologist and the quality of the lab environment play a crucial role in overall success.
Why Experience and Individualization Matter
Every patient’s fertility journey is unique. We take the time to understand your reproductive history, health status, and specific challenges before tailoring your ICSI plan. Whether you are dealing with low sperm motility, previous IVF failures, or complex infertility factors, our goal is to deliver a focused and realistic path forward.
Our clinicians, scientists, and support staff work together to monitor your response at each stage of treatment and adapt your care as needed. This level of detail and attention helps ensure we are doing everything possible to enhance your chances of success.
Commonly Asked Questions About ICSI Success Rates
How many eggs typically fertilise with ICSI?
On average, a high percentage of mature eggs fertilise following ICSI, though not every fertilised egg will become a viable embryo. The exact result varies by individual.
Is ICSI more successful than regular IVF?
ICSI improves fertilisation rates in certain cases, especially when male infertility is involved. However, pregnancy rates depend on many of the same factors that apply to traditional IVF.
Can ICSI work if we’ve had failed IVF cycles before?
Yes, in some cases ICSI is recommended after failed fertilisation in conventional IVF. Your doctor will assess whether ICSI could improve your outcomes.
Are ICSI success rates the same for everyone?
No. Age, egg and sperm health, reproductive history, and overall health all influence success. Our team provides personalised guidance to help set realistic expectations.