25 Common Causes of Infertility You Should Never Ignore

Best IVF Doctor in Delhi

Infertility affects millions of couples worldwide, making it difficult to conceive despite trying for a year or more. While infertility can affect both men and women, many underlying causes can be diagnosed and treated with timely medical care. Understanding these causes is the first step toward finding the right solution.

If you have been trying to conceive without success, consulting an experienced fertility specialist like Dr Bhavana Mittal can help identify the root cause and guide you toward the most suitable treatment. If you're looking for the Best IVF Doctor in Delhi, choosing an experienced specialist can make a significant difference in your fertility journey.

25 Common Causes of Infertility

1. Polycystic Ovary Syndrome (PCOS)

PCOS is one of the leading causes of female infertility.

Symptoms

  • Irregular menstrual cycles

  • Weight gain

  • Acne

  • Excess facial or body hair

Why It Matters

Hormonal imbalance often prevents regular ovulation, making conception more difficult.

2. Endometriosis

Endometriosis occurs when tissue similar to the uterine lining grows outside the uterus.

Possible Effects

  • Pelvic pain

  • Painful periods

  • Damage to the ovaries and fallopian tubes

3. Blocked Fallopian Tubes

Healthy fallopian tubes are essential for fertilization.

Common Causes

  • Pelvic infections

  • Previous surgeries

  • Endometriosis

Blocked tubes prevent the sperm and egg from meeting naturally.

4. Ovulation Disorders

Irregular or absent ovulation significantly reduces the chances of pregnancy.

Common Reasons

  • Hormonal imbalance

  • PCOS

  • Thyroid disorders

5. Advanced Maternal Age

Female fertility naturally declines with age, especially after 35. If you're searching for the Best IVF Doctor in Delhi, consult Dr Bhavana Mittal for personalized fertility care and expert treatment options. 

Risks Include

  • Reduced egg quality

  • Lower ovarian reserve

  • Increased miscarriage risk

6. Poor Egg Quality

Even with regular ovulation, poor-quality eggs can affect fertilization and embryo development.

7. Premature Ovarian Insufficiency (POI)

Some women experience early loss of ovarian function before the age of 40, resulting in reduced fertility.

8. Uterine Fibroids

Fibroids may interfere with embryo implantation or block the fallopian tubes, depending on their size and location.

9. Uterine Polyps

Polyps inside the uterus can reduce implantation rates and contribute to recurrent pregnancy loss.

10. Irregular Menstrual Cycles

Unpredictable menstrual cycles often indicate irregular ovulation, making it harder to determine the fertile window.

11. Thyroid Disorders

Both hypothyroidism and hyperthyroidism can affect reproductive hormones and ovulation.

12. Hormonal Imbalance

Hormones regulate every stage of reproduction.

Hormones Involved

  • FSH

  • LH

  • Estrogen

  • Progesterone

  • Prolactin

Imbalances can delay or prevent pregnancy.

13. Low Sperm Count

Male infertility contributes to nearly half of infertility cases.

Causes

  • Hormonal issues

  • Infections

  • Lifestyle habits

14. Poor Sperm Motility

Healthy sperm must swim efficiently to reach the egg.

Reduced motility lowers fertilization chances.

15. Abnormal Sperm Morphology

Poor sperm shape can reduce the ability to fertilize an egg successfully.

16. Varicocele

Varicocele is an enlargement of the veins inside the scrotum.

Effects

  • Reduced sperm production

  • Poor sperm quality

17. Sexually Transmitted Infections (STIs)

Untreated infections can damage reproductive organs in both men and women.

Examples include:

  • Chlamydia

  • Gonorrhea

18. Obesity

Being overweight affects hormone production and ovulation.

Additional Risks

  • Reduced IVF success

  • Pregnancy complications

19. Being Underweight

Low body weight may also disrupt hormone levels and stop ovulation altogether.

20. Smoking

Smoking damages both eggs and sperm.

It is associated with:

  • Lower fertility

  • Earlier menopause

  • Increased miscarriage risk

21. Excessive Alcohol Consumption

Heavy alcohol intake may negatively impact reproductive hormones and sperm health.

22. Chronic Stress

Long-term stress can affect hormone balance and sexual health, indirectly reducing fertility.

23. Diabetes

Poorly controlled diabetes may affect ovulation, sperm quality, and pregnancy outcomes.

24. Autoimmune Disorders

Certain autoimmune diseases may interfere with implantation or ovarian function.

Examples include:

  • Lupus

  • Rheumatoid arthritis

25. Unexplained Infertility

In some couples, all fertility tests appear normal, yet pregnancy does not occur.

Modern fertility treatments such as IUI and IVF often provide successful outcomes even in unexplained infertility cases.

When Should You See a Fertility Specialist?

  • You are under 35 and have been trying for over one year.

  • You are over 35 and have been trying for six months.

  • You have irregular periods.

  • You have recurrent miscarriages.

  • You have PCOS or endometriosis.

  • Your partner has known sperm abnormalities.

  • You have undergone pelvic surgery.

  • You have a history of chemotherapy or radiation treatment.

Treatment Options for Infertility

Infertility treatment depends on its underlying cause and individual health factors. Dr Bhavana Mittal, regarded by many as the Best IVF Doctor in Delhi, provides personalized fertility evaluations and evidence-based treatment plans to help couples achieve their dream of parenthood. 

Lifestyle Modifications

  • Healthy diet

  • Regular exercise

  • Weight management

  • Stress reduction

Medications

  • Ovulation-inducing medicines

  • Hormonal therapy

Surgical Treatments

  • Fibroid removal

  • Endometriosis surgery

  • Fallopian tube repair

Assisted Reproductive Technologies (ART)

  • Intrauterine Insemination (IUI)

  • In Vitro Fertilization (IVF)

  • Intracytoplasmic Sperm Injection (ICSI)

Why Choose Dr Bhavana Mittal?

Choosing the right fertility specialist is an important step in your journey toward parenthood. Dr Bhavana Mittal is committed to providing compassionate, personalized, and evidence-based fertility care for couples facing challenges in conceiving. 

Expertise in Advanced Fertility Treatments

  • Fertility assessment and counseling

  • Ovulation induction

  • Intrauterine Insemination (IUI)

  • In Vitro Fertilization (IVF)

  • Intracytoplasmic Sperm Injection (ICSI)

  • Fertility preservation

  • Management of recurrent pregnancy loss

  • Patient-Centric Approach

  • Modern Diagnostic and Treatment Options 

  • Focus on Ethical and Transparent Care 

  • Comprehensive Care for Male and Female Infertility 

Conclusion

Infertility is a medical condition with many possible causes, but early diagnosis and appropriate treatment can significantly improve the chances of achieving a healthy pregnancy. Whether the issue involves ovulation disorders, sperm quality, hormonal imbalance, or unexplained infertility, seeking expert care is the first step toward building your family.

If you have concerns about your fertility, schedule a consultation with Dr Bhavana Mittal, recognized by many patients as the Best IVF Doctor in Delhi, for a comprehensive evaluation and personalized treatment plan. Taking action early can open the door to effective solutions and renewed hope on your journey to parenthood.

 

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