7 Types of Infertility: Causes, Diagnosis & Best Treatments (2025)

7 Types of Infertility: Causes, Diagnosis & Best Treatments (2025)

Infertility affects millions of couples worldwide, making it a significant concern for those trying to conceive. Understanding the different types of infertility can help in seeking the right diagnosis and treatment. In this blog, we will explore the 7 types of infertility, their causes, diagnosis, and the best treatment options to improve the chances of conception.

1. Primary Infertility

What is it?

Primary infertility refers to a condition where a couple has never been able to conceive despite trying for 12 months or longer without contraception.

Causes:

  • Ovulation disorders (e.g., PCOS, hormonal imbalance)

  • Fallopian tube blockage

  • Low sperm count or poor sperm motility

  • Uterine abnormalities

Diagnosis & Treatment:

  • Hormone tests, ultrasound, semen analysis

  • Treatments include IVF, IUI, ovulation induction

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2. Secondary Infertility

What is it?

When a couple has successfully conceived before but struggles to conceive again, it is called secondary infertility.

Causes:

  • Age-related decline in fertility

  • Post-pregnancy hormonal changes

  • Uterine or fallopian tube damage

  • Lifestyle factors (obesity, smoking, alcohol)

Diagnosis & Treatment:

  • Pelvic exams, HSG (hysterosalpingography), semen analysis

  • Treatment options include IVF, fertility medications, lifestyle modifications

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3. Male Infertility

What is it?

Infertility is due to male reproductive issues, such as low sperm count, poor sperm quality, or genetic factors.

Causes:

  • Varicocele (enlarged veins in the testicles)

  • Low testosterone levels

  • Genetic disorders (Klinefelter syndrome)

  • Exposure to toxins, excessive heat

Diagnosis & Treatment:

  • Semen analysis, hormone tests, genetic screening

  • Treatments: ICSI, sperm retrieval techniques, hormone therapy

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4. Female Infertility

What is it?

Infertility issues related to ovarian dysfunction blocked fallopian tubes, or uterine abnormalities.

Causes:

  • PCOS (Polycystic Ovary Syndrome)

  • Endometriosis

  • Fibroids or adhesions

  • Early menopause

Diagnosis & Treatment:

  • Blood tests, ultrasound, laparoscopy

  • Treatments: Hormonal therapy, laparoscopic surgery, IVF

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5. Unexplained Infertility

What is it?

A condition where no specific cause is found after fertility evaluations.

Possible Causes:

  • Egg-sperm interaction issues

  • Subtle hormonal imbalances

  • Stress and lifestyle factors

Diagnosis & Treatment:

  • Fertility tests like ovarian reserve testing, endometrial biopsy

  • Treatments: IUI, IVF with advanced embryo selection, lifestyle modifications

6. Tubal Infertility

What is it?

Infertility is caused by blocked or damaged fallopian tubes, preventing sperm from reaching the egg.

Causes:

  • Pelvic inflammatory disease (PID)

  • Ectopic pregnancy history

  • Scar tissue from past surgeries

Diagnosis & Treatment:

  • HSG (hysterosalpingogram), laparoscopy

  • Treatments: Tubal surgery, IVF (if tubes are severely damaged)

7. Immunological Infertility

What is it?

A rare condition where the immune system attacks sperm, preventing fertilization.

Causes:

  • Anti-sperm antibodies in men or women

  • Autoimmune disorders

Diagnosis & Treatment:

  • Blood tests for immune markers

  • Treatments: IVF with ICSI, steroid therapy to suppress immune response

Conclusion

Understanding these 7 types of infertility can help couples identify possible causes and seek appropriate treatments. New World Fertility offers cutting-edge fertility treatments tailored to your unique needs. If you’re struggling to conceive, consult our experts today for a personalized fertility plan.

FAQs

1. Can infertility be cured completely?

Infertility treatment depends on the underlying cause. While some conditions can be treated, others may require assisted reproductive technologies like IVF.

2. How do I know which type of infertility I have?

Fertility tests such as semen analysis, hormone testing, and ultrasound scans help diagnose the specific type of infertility.

3. Does stress cause infertility?

Chronic stress can affect hormone levels, ovulation, and sperm quality, indirectly contributing to infertility.

4. What is the best fertility treatment for unexplained infertility?

IVF, IUI, and lifestyle changes are commonly recommended for unexplained infertility cases.


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