How male infertility affects IVF treatment?

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Published: September 23, 2025
Last Updated: September 23, 2025

How male infertility affects IVF treatment?

Infertility is a shared challenge that affects millions of couples worldwide. Contrary to the common belief that infertility is mainly a woman’s problem, male infertility contributes to nearly 40–50% of infertility cases. When couples undergo In Vitro Fertilization (IVF), male factors play a critical role in determining the chances of success.

In this detailed blog, we’ll cover:

What male infertility is and its causes.
How it impacts IVF outcomes.
Advanced medical solutions for male infertility in IVF.
Emotional aspects couples face.
Steps to improve male fertility before IVF.

What is male infertility?

Male infertility refers to a man’s reduced ability—or inability—to achieve pregnancy with his partner despite regular, unprotected intercourse for at least a year.

The cornerstone of evaluating male fertility is a semen analysis, which checks:

Sperm Count (Oligospermia) – A healthy man typically has more than 15 million sperm per milliliter. Anything lower can reduce fertility.
Sperm Motility (Asthenozoospermia) – Ideally, more than 40% of sperm should be actively swimming. Poor motility means sperm struggle to reach the egg.
Sperm Morphology (Teratozoospermia) – Normal sperm should have an oval head and a long tail. Abnormal shapes affect penetration of the egg.
Azoospermia – Complete absence of sperm, either due to blocked ducts (obstructive) or lack of production (non-obstructive).

How male infertility affects IVF treatment?

Reduced Fertilization Rates in Conventional IVF

In standard IVF, eggs and sperm are placed in a lab dish to allow natural fertilization. If sperm count, motility, or morphology is compromised, fertilization may not occur, reducing the success rate of the IVF cycle.

Example: A man with very low motility may have millions of sperm, but if they cannot swim toward the egg, fertilization in conventional IVF is unlikely.
Dependence on ICSI (Intracytoplasmic Sperm Injection)

Severe male infertility often necessitates ICSI, where an embryologist injects a single healthy sperm directly into the egg.

This technique bypasses the natural barriers that poor-quality sperm cannot overcome.
ICSI has revolutionized IVF success for men with very low counts or abnormal sperm function.

Fact: Around 70–80% of couples with severe male infertility can conceive using ICSI.

Impact on Embryo Quality

While ICSI can help fertilize the egg, sperm quality still matters. Poor sperm DNA integrity or high levels of DNA fragmentation can:

- Reduce embryo development.
- Lower implantation chances.
- Increase miscarriage rates.

This means embryo health depends not just on the egg but also on sperm quality.

Requirement of Donor Sperm in Extreme Cases

In cases of non-obstructive azoospermia where sperm cannot be retrieved, using donor sperm becomes the only option.

- This allows IVF to move forward but requires couples to make an emotional and ethical decision.
- Counseling is usually provided before opting for donor sperm.

Higher Cost and Complexity of IVF

Male infertility can increase the overall cost of IVF because of:

- Advanced sperm retrieval surgeries (TESA, PESA, micro-TESE)
- Specialized techniques like ICSI
- Genetic screening for embryo health

The treatment timeline may also be longer if additional procedures are required.

Common causes of male infertility

Male infertility may stem from medical, genetic, lifestyle, or environmental factors. Some common causes include:

Medical Conditions: Varicocele (enlarged veins in the scrotum), infections, undescended testes, hormonal imbalances, diabetes.
Genetic Disorders: Klinefelter syndrome, Y-chromosome microdeletions.
Lifestyle Factors: Smoking, alcohol, drug use, obesity, poor diet, lack of exercise.
Environmental Exposure: Heat (frequent use of hot tubs, laptops on laps), toxins, radiation, or chemicals.
Unexplained Infertility: Sometimes, no clear cause is identified despite testing.

Advanced solutions in IVF for male iInfertility

Modern reproductive medicine offers a range of solutions tailored to the type and severity of male infertility:

ICSI (Intracytoplasmic Sperm Injection) – Single sperm injected into an egg. Most effective for low count, motility, or morphology issues.

Sperm Retrieval Techniques:

1. - TESA (Testicular Sperm Aspiration) – sperm retrieved with a needle from the testes.
  - PESA (Percutaneous Epididymal Sperm Aspiration) – sperm collected from the epididymis.
  - Micro-TESE (Microsurgical Testicular Sperm Extraction) – microscopic surgery to find sperm in men with non-obstructive azoospermia.

Genetic Screening (PGT) – Preimplantation Genetic Testing ensures embryos are healthy before transfer, reducing miscarriage risk.

Cryopreservation – Sperm freezing for men with progressive sperm decline or before cancer treatment.

Lifestyle Modifications – Improving diet, exercise, sleep, and avoiding smoking/alcohol can enhance sperm health prior to IVF.

Emotional impact of male infertility on IVF

Beyond medical challenges, male infertility can take an emotional toll:

Men may experience guilt, shame, or loss of self-esteem.
Couples may face relationship stress due to repeated IVF failures.
The idea of using donor sperm may raise identity and acceptance issues.

Counseling and emotional support are essential parts of fertility treatment. Couples are encouraged to view infertility as a shared condition, not a personal failing.

Tips to improve male fertility before IVF

Maintain a healthy weight through a balanced diet and exercise.
Eat fertility-boosting foods rich in zinc, antioxidants, and omega-3 fatty acids.
Avoid smoking, excessive alcohol, and recreational drugs.
Manage stress and sleep well.
Limit heat exposure (avoid tight clothing, hot tubs, and prolonged laptop use on the lap).
Take supplements (like Coenzyme Q10, Vitamin C, and folic acid) if recommended by a doctor.

Conclusion

Male infertility plays a significant role in the outcome of IVF treatment. It affects fertilization rates, embryo quality, and overall success. However, thanks to advanced technologies like ICSI, sperm retrieval techniques, and genetic testing, even men with severe infertility can achieve biological fatherhood in many cases.

At Bavishi Fertility Institute, we specialize in diagnosing and treating male infertility with the latest reproductive technologies and a compassionate approach. Our goal is to maximize IVF success while supporting couples through every step of their parenthood journey. Book a consultation with Bavishi Fertility Institute today and take the first step toward building your family with the guidance of some of the best IVF doctors in Ahmedabad and across India.

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 committed to helping couples realise their dreams of parenthood.

Bavishi Fertility Institute is dedicated to provide customised and personalised 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

Does male infertility affect the number of IVF cycles needed for success?

Yes. In cases of severe male infertility, fertilization or embryo development may be affected, which can sometimes require more than one IVF cycle to achieve pregnancy. However, advanced methods like ICSI and sperm retrieval techniques significantly improve success rates, often reducing the number of attempts needed.

Is male infertility hereditary, and can it affect the child?

Some forms of male infertility, such as Y chromosome microdeletions or Klinefelter syndrome, have a genetic basis and can be passed on to male children. Genetic counseling and Preimplantation Genetic Testing (PGT) can help identify and reduce the risk of inherited conditions

Can lifestyle changes alone improve sperm quality enough for IVF success?

In mild to moderate male infertility, lifestyle changes like quitting smoking, reducing alcohol intake, losing weight, eating a nutrient-rich diet, and managing stress can improve sperm quality. However, in severe cases, lifestyle modifications alone may not be sufficient, and medical or surgical intervention is usually required before IVF.

What is the difference between IVF with ICSI and conventional IVF in male infertility cases?

Conventional IVF: Sperm and egg are placed in a dish and fertilization occurs naturally. Requires healthy sperm count and motility.
ICSI (Intracytoplasmic Sperm Injection): A single sperm is injected directly into the egg. Ideal for men with low sperm count, motility, or morphology issues.

In male infertility cases, ICSI is almost always the preferred method because it bypasses sperm-related barriers.

Does advanced paternal age reduce IVF success rates?

Yes. Just as maternal age affects fertility, paternal age over 40–45 years can impact sperm quality, leading to reduced fertilization rates, poor embryo quality, and higher miscarriage risks. Advanced paternal age has also been linked with certain genetic mutations.

Can male infertility increase the chances of genetic disorders in babies?

In some cases, yes. Men with certain genetic causes of infertility may pass them on to their children. For example, Y chromosome deletions can affect male offspring’s fertility. That’s why genetic testing and counseling are often recommended before IVF in severe male infertility cases.