By the Incinta Fertility Center Care Team · Medically reviewed by James Lin, MD, Medical Director · Fertility Clinic Torrance & South Bay, California
When a couple struggles to conceive, the focus often lands on the woman—but fertility is a shared story. In fact, male factors play a role in roughly 40–50% of couples’ infertility, either on their own or alongside female factors. The good news: modern reproductive medicine, and in particular a laboratory technique called ICSI (intracytoplasmic sperm injection), has transformed what is possible for men facing low sperm counts, poor motility, or other challenges. This guide explains male infertility, how it is diagnosed, how ICSI works, what it realistically achieves, and what it costs in California.
1. What Is Male Factor Infertility?
Male factor infertility means that something about the man’s sperm, its production, or its delivery makes it difficult to fertilize an egg naturally. It is far more common than most people realize, and it is not a reflection of masculinity or overall health in the way stereotypes suggest. According to guidance from the American Society for Reproductive Medicine (ASRM) and U.S. CDC ART data, male factors contribute to a large share of infertility cases, and in a meaningful number of men no specific cause is ever identified (called “idiopathic”). The important first step is a proper evaluation—not assumptions.
2. Common Causes of Male Infertility
Male infertility has many possible causes, and more than one can be present at once. Common contributors include:
- Varicocele: enlarged veins in the scrotum that can raise temperature and affect sperm production—one of the most common, and often treatable, causes.
- Sperm production problems: low sperm count (oligospermia), poor movement (low motility), or abnormal shape (morphology), which may be idiopathic or linked to genetics, hormones, or prior illness.
- Hormonal imbalances: issues with the pituitary or thyroid hormones that drive sperm production.
- Blockages or absence of the vas deferens: sperm is produced but cannot be delivered, sometimes related to prior infection, surgery, or genetics.
- Genetic factors: chromosomal conditions or Y-chromosome microdeletions that affect sperm production.
- Lifestyle and environmental factors: smoking, heavy alcohol use, anabolic steroid use, obesity, and prolonged heat exposure (discussed in Section 11).
- Erectile or ejaculatory issues: less common, but relevant to sperm delivery.
Because the cause shapes the treatment, a structured evaluation is essential. You can explore the full range of fertility and andrology services here.
3. How Male Fertility Is Tested
The cornerstone of male evaluation is the semen analysis—a laboratory test that measures sperm count, movement, and shape. It is typically repeated to confirm results, since values can vary from sample to sample. A hormone panel (such as testosterone and FSH) and sometimes a scrotal ultrasound or genetic testing may follow. As a reference, the World Health Organization’s widely used lower reference limits for semen parameters include:
- Semen volume: at least about 1.5 mL
- Sperm concentration: at least about 15 million per mL
- Total sperm count: at least about 39 million per ejaculate
- Progressive motility (sperm that swim forward): at least about 32%
- Normal morphology (shape): at least about 4%
These are population reference values, not a pass/fail line—many men with values below a reference limit still contribute to a pregnancy, especially when paired with treatment. Your physician interprets results in the context of the whole picture, including the female partner’s evaluation.
4. What Is ICSI (Intracytoplasmic Sperm Injection)?
ICSI is a laboratory technique used alongside IVF in which a single sperm is injected directly into a mature egg to fertilize it. In conventional IVF, sperm and eggs are placed together and fertilize on their own; with ICSI, the embryology team selects one healthy-looking sperm and injects it, overcoming barriers like low sperm count or poor motility. ICSI typically fertilizes a substantial majority of mature eggs—commonly reported in the range of roughly 70–80%—but, importantly, it addresses the fertilization step, not egg quality.
5. ICSI vs. Conventional IVF: When Each Is Used
ICSI is powerful, but it is not automatically “better” for everyone—and it is not recommended as a routine upgrade when sperm parameters are normal. In balanced terms:
- Conventional IVF is generally appropriate when sperm count, motility, and morphology are adequate, letting sperm fertilize the egg naturally in the lab.
- ICSI is typically recommended for significant male factor infertility (very low count, poor motility, abnormal morphology), prior failed fertilization with conventional IVF, sperm retrieved surgically, or when frozen sperm is limited. It may also be used with preimplantation genetic testing (PGT), where avoiding multiple sperm around the egg helps the lab.
For the full treatment pathway, see our complete IVF guide.
6. When ICSI Is Recommended
Your physician may suggest ICSI when one or more of the following applies:
- Low sperm count or poor motility identified on semen analysis.
- A previous IVF cycle with little or no fertilization using conventional insemination.
- Sperm obtained directly from the testicle or epididymis (for example, in cases of blockage or absence of sperm in the ejaculate).
- Using frozen sperm, when the available sample is limited.
- Plans to combine IVF with embryo genetic testing.
7. The ICSI Process, Step by Step
ICSI happens within an IVF cycle, so the overall journey mirrors the first part of our IVF treatment. On the day of egg retrieval, the embryology team prepares the sperm sample and, under a microscope, injects a single sperm into each mature egg:
Step 1 — Ovarian Stimulation (for the female partner)
Medication encourages the ovaries to mature several eggs, monitored with ultrasounds and bloodwork.
Step 2 — Sperm Sample
A semen sample is collected the same day as retrieval (or surgically retrieved sperm is prepared). If retrieving sperm proves difficult, the sample can often be frozen in advance.
Step 3 — Egg Retrieval
Mature eggs are collected in a brief outpatient procedure under light sedation.
Step 4 — ICSI Fertilization
An embryologist injects one selected sperm directly into each mature egg. Fertilization is checked the following day.
Step 5 — Embryo Culture and Transfer
Fertilized eggs (embryos) are cultured for several days, then one is typically transferred, with any healthy extras available to freeze—the same laboratory expertise that underpins our IVF program.
8. What Are the Success Rates?
Here is the honest science: because ICSI solves fertilization but not egg quality, success rates track the female partner’s age far more than the sperm numbers. Based on U.S. CDC ART data, approximate live-birth rates per IVF/ICSI cycle by female age are commonly in these ranges:
- Under 35: roughly 45–55%
- Age 35–37: roughly 38–42%
- Age 38–40: roughly 22–28%
- Over 40: often under 15%
These are population-level ranges, not guarantees, and individual outcomes depend on egg quality, sperm quality, embryo development, and overall health. Severe male factor infertility can lower the odds somewhat, but for many couples ICSI brings success rates close to those seen with conventional IVF. Your personal outlook is best reviewed with your physician using both partners’ results.
9. How Much Does ICSI Cost in Torrance and California?
ICSI is billed as an add-on laboratory step within an IVF cycle, so the biggest cost driver is the underlying IVF cycle itself, which tracks female age and protocol. For planning purposes, typical California industry ranges look roughly like this (not a quote from Incinta—your final estimate is personalized and provided in writing):
- Male fertility workup (consultation + semen analysis + hormones): ~$300–$1,000
- Semen analysis alone: ~$100–$300
- ICSI laboratory fee (added to an IVF cycle): ~$1,500–$3,000
- Base IVF cycle (monitoring, retrieval, lab, transfer): ~$12,000–$20,000+
- Fertility medications: ~$3,000–$6,000
- Surgical sperm retrieval (TESE/PESA), if needed: ~$3,000–$10,000
For a fuller picture of related treatment, see our guide to IVF costs in Torrance and California. Incinta provides a transparent, itemized written estimate during your consultation, and flexible financing options are available.
10. Risks and Important Considerations
Physical Considerations
For the female partner, the risks mirror those of an IVF cycle (stimulation, retrieval, and the small risks discussed in our IVF guide). For the male partner, semen collection and any surgical sperm retrieval carry their own minor procedural considerations, which your team reviews in advance.
Genetic Counseling Matters
Some causes of male infertility are genetic (for example, chromosomal abnormalities or Y-chromosome microdeletions), and in very low—or absent—sperm counts these can sometimes be passed to a male child. When testing suggests a genetic cause, genetic counseling is recommended before treatment so you understand the implications and options. This is a routine, responsible part of a thorough workup—not a cause for alarm.
ICSI Is Not a Guarantee
ICSI improves the chance of fertilization, but it cannot repair egg quality or guarantee an embryo, a pregnancy, or a live birth. Setting realistic expectations—and discussing alternatives, including using donor sperm in some situations—is part of honest, patient-first care.
11. Lifestyle Factors That Support Male Fertility
Sperm take roughly 70–90 days to produce, so positive changes now can influence a future cycle. Evidence-supported steps include:
- Avoiding tobacco, heavy alcohol, and anabolic steroids (which can shut down sperm production).
- Maintaining a healthy weight and regular moderate exercise.
- Limiting prolonged heat exposure (hot tubs, saunas, laptops on the lap, long periods of sitting).
- Managing stress and sleep, and eating a balanced diet.
These support fertility but are not a substitute for evaluation—if a semen analysis is abnormal, the underlying cause still needs to be identified.
12. When to See a Fertility Specialist
As a general guideline, couples are usually advised to seek evaluation after 12 months of trying without pregnancy—or after 6 months if the female partner is 35 or older, or sooner if there is a known risk factor such as an abnormal semen analysis, prior cancer treatment, or a suspected genetic cause. Because male testing is quick, non-invasive, and inexpensive relative to the rest of the workup, evaluating both partners from the start saves valuable time. At our fertility clinic in Torrance and the South Bay, we routinely assess both partners together.
13. Frequently Asked Questions
Is male infertility common?
Yes. Male factors contribute to roughly 40–50% of couples’ infertility, either alone or combined with female factors. It is one of the first things a thorough clinic evaluates.
What is ICSI and how is it different from IVF?
ICSI is a lab technique used within IVF where a single sperm is injected directly into an egg. Conventional IVF lets sperm fertilize the egg on their own. ICSI is used when there is a significant male factor or prior fertilization problems—not routinely when sperm is normal.
How successful is ICSI?
ICSI typically fertilizes a large majority of mature eggs, and overall live-birth rates track the female partner’s age (roughly 45–55% under 35, declining with age, based on CDC data). These are population ranges, not guarantees.
How much does ICSI cost in California?
The ICSI lab step adds roughly $1,500–$3,000 to an IVF cycle; the underlying cycle commonly runs about $12,000–$20,000+ before medications ($3,000–$6,000). Figures are typical California ranges, not a clinic quote—Incinta provides an itemized written estimate.
Can low sperm count be treated without IVF?
Sometimes. Depending on the cause—such as a varicocele, a hormonal issue, or a blockage—treatment, minor surgery, or lifestyle changes may improve sperm enough for natural conception or simpler treatments like IUI. Your evaluation determines the best path.
Does ICSI increase the risk of birth defects?
ICSI itself has not been shown to substantially raise birth-defect risk beyond that associated with infertility in general. Because some male infertility has genetic causes, genetic counseling is recommended when indicated—an important part of a careful workup.
14. Taking the Next Step
If you and your partner have been trying to conceive without success, know this: answers and options exist, and evaluating both partners is the fastest route to clarity. Whether your path leads to ICSI, conventional IVF, a treatable male-factor correction, or simply a clearer understanding of your fertility, the right first move is a conversation. At Incinta Fertility Center, we assess both partners together—with expertise you can trust and care that puts you first.
Ready to begin? Schedule a consultation with our fertility specialists to discuss your goals as a couple, your options, and your next steps.
Incinta Fertility Center — Fertility Clinic Torrance & South Bay, California. Patient-first care, bilingual support, and laboratory leadership you can trust.
