What Causes Infertility in Couples?


Many couples expect pregnancy to happen naturally, but sometimes conception may take longer than expected. One of the most common questions fertility specialists hear is:

What causes infertility in couples?

The answer is that infertility can affect both men and women, and multiple factors may contribute to fertility challenges.

Common Causes of Female Infertility

Female fertility may be affected by:

  • Ovulation disorders

  • PCOS

  • Endometriosis

  • Blocked fallopian tubes

  • Hormonal imbalances

  • Age-related fertility changes

These factors can influence the ability to conceive naturally.

Common Causes of Male Infertility

Male fertility is equally important.

Factors that may affect male fertility include:

  • Low sperm count

  • Poor sperm motility

  • Abnormal sperm morphology

  • Hormonal issues

  • Certain medical conditions

A comprehensive fertility evaluation often includes assessment of both partners.

Can Lifestyle Affect Fertility?

Lifestyle habits may also influence reproductive health.

Examples include:

  • Smoking

  • Excessive alcohol consumption

  • Obesity

  • Poor nutrition

  • Chronic stress

  • Lack of physical activity

Healthy lifestyle choices can support overall well-being and reproductive health.

Frequently Asked Questions

Is infertility always caused by women?

No. Fertility concerns may involve male factors, female factors, or both partners.

Does age affect fertility?

Age is one of several factors that may influence reproductive health.

Should both partners be evaluated?

Yes. A comprehensive fertility assessment often includes both partners.

Final Thoughts

Every fertility journey is unique. Understanding the possible causes of infertility is an important step toward informed decision-making and reproductive health awareness.

Related Fertility Articles

• Low AMH: Does It Mean Pregnancy Is Impossible?

• Can Smoking Affect Male Fertility?

• IVF vs IUI: Understanding the Difference

About Dr. Brig. R. K. Sharma (Retd.), VSM

Dr. Brig. R. K. Sharma (Retd.), VSM is a Senior IVF & Fertility Specialist with 30+ years of experience in reproductive medicine. He consults at Maa Fertility Centre, Janakpuri, Delhi, and Proventus Nursing Home – Advanced IVF Hospital & Fertility Centre, Sector 46, Gurgaon.

Location: New Delhi, Delhi, India

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