Step-by-Step guide to the ICSI procedure
Published: July 28, 2025
Last Updated: July 28, 2025
Last Updated: July 28, 2025
Step-by-Step guide to the ICSI procedure
Intracytoplasmic Sperm Injection (ICSI) is an advanced fertility treatment used to address male infertility and improve fertilization outcomes in IVF. It involves the direct injection of a single healthy sperm into an egg, increasing the chances of successful embryo development. This blog will guide you through each step of the ICSI process, helping you understand what to expect during your fertility journey.
What is ICSI?
ICSI (Intracytoplasmic Sperm Injection) is a specialized form of In Vitro Fertilization (IVF) where a single sperm is directly injected into a mature egg. This method is particularly helpful for couples facing:
- Low sperm count or poor sperm motility.
- Repeated IVF Failure
- Azoospermia (when sperm is retrieved surgically)
- Unexplained infertility.
- Use of frozen or donor sperm.
Step-by-Step process of the ICSI procedure
1. Initial consultation and Fertility assessment
Your journey begins with a thorough evaluation by our fertility specialists. We assess both partners through:
- Hormonal blood tests.
- Semen analysis.
- Transvaginal ultrasound for women.
- Detailed medical history and counseling.
This helps us design a treatment plan tailored to your needs.
2. Ovarian stimulation
The female partner is given fertility injections (gonadotropins) for 8–12 days to stimulate the ovaries and produce multiple mature eggs. During this phase:
- Hormone levels are monitored.
- Follicular growth is tracked via ultrasound.
- Dosage is adjusted based on individual response.
3. Egg retrieval (Oocyte Pick-Up)
Once the follicles are mature, a trigger injection is given (usually hCG), and egg retrieval is scheduled 34–36 hours later.
- The procedure is done under mild sedation.
- Eggs are collected using a fine needle guided by ultrasound.
- It is a day-care procedure with quick recovery.
4. Sperm collection and Preparation
On the day of egg retrieval:
- The male partner provides a semen sample.
- In cases of azoospermia, sperm is surgically retrieved (TESA/PESA)
- The sperm is washed and prepared in the lab for ICSI.
5. ICSI fertilization
This is the most critical stage of the process:
- A single healthy sperm is selected and injected directly into each mature egg using a microneedle.
- This is performed under a high-powered microscope by an embryologist.
- The injected eggs are then monitored for fertilization over the next 18–20 hours.
6. Embryo culture and Monitoring
- Successfully fertilized eggs develop into embryos.
- Embryos are cultured for 3–5 days. (until Day 3 or Day 5 – blastocyst stage)
- The best quality embryos are selected for transfer.
7. Embryo transfer
- A selected embryo is gently transferred into the uterus using a soft catheter.
- This is a painless, outpatient procedure.
- Any remaining good-quality embryos can be frozen for future use. (cryopreservation)
8. Luteal phase support
After embryo transfer, hormonal medications (progesterone and others) are prescribed to support the uterine lining and increase chances of implantation.
9. Pregnancy test and Follow-up
Approximately 12–14 days after embryo transfer, a blood test (beta-hCG) is done to confirm pregnancy. If positive, early pregnancy scans are scheduled to monitor development.
Why choose Bavishi Fertility Institute for ICSI?
- Expert embryologists with high ICSI success rates.
- Advanced micromanipulation lab setup.
- Personalized care and emotional support.
- Transparent communication and ethical practices.
- Comprehensive sperm retrieval and cryopreservation facilities.
Conclusion
ICSI has revolutionized fertility treatment for couples facing severe male infertility, offering a higher chance of successful fertilization and pregnancy. At Bavishi Fertility Institute, our skilled team combines advanced laboratory techniques with personalized care to help couples overcome even the most complex fertility challenges.
With our support, many have turned their hope into reality. If you’re considering ICSI or struggling with infertility, connect with Bavishi Fertility Institute and take a confident step toward 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 in Ahmedabad & Mumbai, 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 personalised 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
While ICSI increases the chances of fertilization in cases of male infertility, pregnancy success rates are generally similar to IVF once fertilization occurs. ICSI is more effective in specific situations rather than universally better.
Yes, ICSI can be performed using donor eggs or donor sperm, especially in cases where one partner has fertility limitations or there are genetic concerns.
ICSI is generally safe, but like any ART procedure, there may be minor risks such as fertilization failure, embryo development issues. Total fertilization failure is less common with ICSI compared to conventional IVF.
ICSI itself does not cause multiple pregnancies. However, transferring more than one embryo during IVF can increase the likelihood of twins or higher-order multiples.
The ICSI treatment cycle typically takes 4 to 6 weeks from ovarian stimulation to pregnancy test. Timelines may vary depending on individual response and protocols.
Yes, Preimplantation Genetic Testing (PGT) can be considered in ICSI cycles, especially if there’s a history of genetic disorders, recurrent miscarriages, repeated IVF failures or advanced maternal age.
Yes, ICSI can be repeated in subsequent cycles. In fact, doctors often analyze the outcome of the first cycle to optimize future attempts, sometimes adjusting medication protocols or using assisted hatching.
If fertilization fails despite ICSI, your fertility specialist will evaluate potential reasons and may recommend further investigations, changes in sperm selection technique, or additional treatment strategies. In this situation techniques like pICSI, IMSI or spindle view ICSI can be potentially benificial.
Ahmedabad
Vadodara
Surat
Bhuj
Mumbai
Bhavnagar
Anand