ICSI stands for Intracytoplasmic sperm injection (ICSI), which is an infertility treatment.
Are you wondering about “IVF vs. ICSI"?
ICSI is a form of in vitro fertilization (IVF).
| Aspect | IVF (Traditional) | ICSI |
| Definition | Eggs are mixed with sperm in a lab dish for natural fertilization. | An advanced form of IVF where a single healthy sperm is directly injected into an egg to achieve fertilization. |
| Fertilization method | Sperm and egg are placed together; fertilization occurs naturally in the dish. | One selected sperm is injected directly into each egg using a fine needle and a microscope. |
| Role of sperm | Requires adequate sperm count, motility, and morphology for fertilization. | Effective even with very low sperm count, poor motility, or abnormal morphology. |
| Main indication | Female‑factor infertility, unexplained infertility, and mild male‑factor issues. | Severe male infertility, very low sperm parameters, or prior failed fertilization in IVF,advanced maternal age |
| Barriers overcome | Relies on the sperm’s ability to reach and penetrate the egg on its own. | Eliminates many barriers (e.g., thick zona, poor motility), improving fertilization chances. |
| Typical use case remark | “Natural” lab‑based fertilization is used when sperm quality is reasonably good. | Preferentially used when male‑factor issues are the main concern. |
This infertility treatment is recommended in the following severe male factor scenario:
Read Also: All You Need to Know About Infertility: Types, Causes, Symptoms, Diagnosis & Treatment
Here is the ICSI treatment process:
Both partners undergo a fertility assessment
→ Woman: Hormonal tests + pelvic ultrasound
→ Man: Semen analysis + genetic/structural tests (if needed)
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Fertility specialist evaluates results and confirms ICSI suitability
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Treatment plan, risks, and timeline explained (≈ 4–6 weeks per cycle)
Daily hormone injections (FSH/LH) start from Day 2–3 of the menstrual cycle
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Multiple follicles develop in the ovaries
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Monitoring via:
→ Transvaginal ultrasounds
→ Blood estrogen (estradiol) levels
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“Trigger shot” (hCG or GnRH agonist) is given when follicles mature
Egg retrieval performed 34–36 hours after trigger
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Procedure:
→ Ultrasound-guided needle
→ Light sedation or anesthesia
→ Duration: ~15–30 minutes
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Same day sperm collection:
→ Natural ejaculation OR
→ Surgical retrieval (TESA / TESE / PESA if needed)
Semen processed in lab:
→ Washing
→ Density gradient separation
→ Swim-up technique
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Healthy, motile sperm isolated
↓
Embryologist selects one high-quality sperm per egg using microscope
Each mature egg is held with a holding pipette
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A fine injection needle inserts selected sperm directly into egg cytoplasm
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Natural fertilization barriers are bypassed
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Injected eggs placed in culture media for development
Next day: Check for fertilization (2 pronuclei stage)
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Embryos cultured for 2–6 days
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Embryo quality evaluated (grading system)
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Optional advanced techniques:
→ Time-lapse embryo monitoring
→ Preimplantation Genetic Testing (PGT)
One or more healthy embryos selected
↓
Transferred into uterus using thin catheter under ultrasound guidance
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Timing: Day 3, or 5 after retrieval (Fresh or Frozen cycles after uterine preping with estrogen and progesterone )
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Luteal phase support:
→ Progesterone ± estrogen medications
↓
Pregnancy test (β-hCG) after 10–14 days
↓
Pregnancy confirmation
Read Also: IVF Treatment Cost in Mumbai: Key Factors That Affect Pricing
ICSI success rates by female age (approximate ranges).
| Woman’s age group | Typical ICSI fertilization rate* | Approximate clinical pregnancy rate per cycle/transfer** | Notes |
| Under 35 | 70–85% | 55–70% | Best overall prognosis, higher live‑birth chance. |
| 35–37 | 70–80% | 35–45% | Slight decline in egg quality and pregnancy rate. |
| 38–40 | 65–75% | 30–40% | Marked drop in ovarian reserve; miscarriage risk rises. |
| 41–42 | 55–70% | 15–25% | Lower embryo quality; higher aneuploidy. |
| Over 42 | 50–65% | 5–15% (sometimes <20%) | Low live‑birth rate; many centers advise PGT or donor egg. |
*Fertilization rate: % of mature eggs that fertilize (2 pronuclei) after ICSI.
**Clinical pregnancy: confirmed pregnancy with heartbeat at 6–7 weeks; rates vary by clinic (per cycle/transfer).
The cost may vary based on factors such as:
| Parameter | Approximate Cost (INR) |
| Overall ICSI cycle (IVF + ICSI) | ₹100,000 – ₹250,000 |
| Basic ICSI‑only add‑on (if IVF is already priced) | ₹20,000 – ₹70,000 |
| Metro/chain‑clinic ICSI (e.g., Delhi/Mumbai/Bangalore) | ₹1,80,000 – ₹2,6,00,000 in some premium packages |
| Budget‑oriented ICSI (smaller centers, basic package) | ₹100,000 – ₹150,000 |
| Component | Approximate Cost (INR) |
| Fertility specialist consultation | ₹1,000 – ₹5,000 |
| Ovarian stimulation injections & monitoring | ₹80,000 – ₹120,000 |
| Egg retrieval procedure (OPU) | ₹30,000 – ₹50,000 |
| ICSI procedure in the lab (per cycle) | ₹60,000 – ₹1,00,000 |
| Embryo culture & lab charges | ₹20,000 – ₹50,000 |
| Embryo transfer | ₹30,000 – ₹50,000 |
| Sperm analysis/ freezing (if needed) |
1500-2000 ₹5,000 – ₹10,000 |
| City | Approx Cost Range (INR) |
| Delhi NCR | ₹1,20,000 – ₹2,50,000 |
| Mumbai | ₹1,20,000 – ₹2,60,000 |
| Bangalore | ₹1,10,000 – ₹2,20,000 |
| Hyderabad | ₹1,00,000 – ₹2,00,000 |
| Smaller cities | ₹90,000 – ₹1,80,000 |
ICSI treatment has revolutionized fertility care, offering hope to couples who once had limited options. With high fertilization rates, advanced technology, and increasing accessibility, especially in India, it remains one of the most effective solutions for male infertility and complex cases.
However, success depends on proper diagnosis, realistic expectations, and choosing the right clinic. If you’re considering ICSI, consult a fertility specialist to understand whether it’s the right path for your unique situation.
If you're struggling to conceive, consider consulting a reproductive endocrinologist or fertility specialist. Many advanced, best fertility centers in India—including Surya Hospitals—offer comprehensive testing and treatment options.
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Contact Surya Hospitals at +91-882882 8100 or info@suryahospitals.com
Surya Hospitals, 101-102, Mangal Ashirwad, S.V. Road, Santacruz West, Mumbai – 400054.
Surya Hospitals, Shrikant Chambers-II, Beside R.K. Studio, Chembur, Mumbai, Maharashtra, 400071
Q1: How many ICSI cycles to get pregnant?
A: Many women conceive within 1–3 ICSI cycles, but success depends on age, ovarian reserve, and sperm quality; some may need more or frozen‑embryo transfers.
Q2: What is the difference between IVF and ICSI?
A: IVF mixes eggs and millions of sperm in a dish for natural fertilization; ICSI injects one selected sperm directly into each egg, mainly for male‑factor infertility.
Q3: What to avoid during IVF?
A: Avoid alcohol, smoking, caffeine excess, junk food, intense exercise, stress, and unapproved medicines or supplements during stimulation and embryo transfer.
Q4: Is an IVF pregnancy safe after 12 weeks?
A: After 12 weeks, IVF pregnancy is considered relatively safe, with sharply reduced miscarriage risk, though ongoing antenatal care remains essential.