Most Common Causes of Infertility Explained

Infertility, defined as the inability to conceive after one year of regular unprotected intercourse, affects millions of couples worldwide. Understanding the underlying causes in both partners is critical to effective treatment and successful pregnancy.

Common Causes of Male Infertility

Male factors contribute to about one-third of infertility cases. Common issues include:

1. Low Sperm Count (Oligozoospermia)

A reduced number of sperm in the semen can result from hormonal imbalances, genetic disorders, infections such as mumps or STDs, varicocele (swollen veins in the scrotum), or medical treatments like chemotherapy. This decreases the chance of fertilizing an egg naturally.

2. Poor Sperm Motility (Asthenozoospermia)

Sperm may be present in adequate numbers but lack the ability to swim effectively toward the egg, often caused by infections, lifestyle factors like smoking, or testicular abnormalities.

3. Abnormal Sperm Morphology (Teratozoospermia)

Irregularly shaped sperm have difficulty penetrating the egg. This can be due to genetic factors, heat exposure, toxins, or trauma.

4. Obstructions and Ejaculation Disorders

Blockage in the tubes carrying semen or conditions like premature ejaculation can prevent sperm delivery.

5. Hormonal Imbalances

Disorders involving testosterone, LH, and FSH due to pituitary or testicular problems can reduce sperm production.

6. Lifestyle Factors

Smoking, excessive alcohol, stress, obesity, environmental toxins, and heat exposure negatively affect sperm quality and fertility

Common Causes of Female Infertility

Female infertility is equally complex and includes a broad range of factors:

1. Ovulation Disorders

Conditions like Polycystic Ovary Syndrome (PCOS), thyroid dysfunction, hyperprolactinemia, or premature ovarian insufficiency disrupt regular ovulation, preventing egg release.

2. Tubal Damage or Blockage

Fallopian tubes blocked by infections (pelvic inflammatory disease), endometriosis, or past surgeries prevent egg and sperm from meeting.

3. Endometriosis

Growth of uterine-like tissue outside the uterus causes inflammation and scarring in the reproductive organs, hindering fertility.

4. Uterine Abnormalities

Fibroids, polyps, congenital malformations, or scar tissue may interfere with implantation or pregnancy maintenance.

5. Age-Related Decline

Female fertility naturally declines after 35 as egg quantity and quality decrease, raising risks of miscarriage, chromosomal abnormalities, and pregnancy complications.

Other Contributing Factors

Unexplained Infertility: Around 15-20% of couples have infertility with no identifiable cause even after thorough evaluation.

Lifestyle and Environmental Influences: Smoking, alcohol use, poor diet, stress, obesity, and exposure to environmental toxins affect both partners.

Medical Conditions: Diabetes, thyroid disease, autoimmune disorders, and past chemotherapy or radiation impact fertility.

Genetic Factors: Both male and female infertility may have hereditary components.

Comprehensive Fertility Care at Iswarya Fertility Centre

Patients visiting Iswarya experience seamless care from initial diagnosis and fertility testing to individualized treatment and follow-up with expert guidance from specialists like Dr. Arun and Dr. Manipriya.

With over 1.5 lakh positive pregnancies and an IVF success rate of around 78.35%, Iswarya provides:

Advanced diagnostics to pinpoint infertility causes.

Tailored treatments including medications, surgery, IUI, IVF, ICSI, and fertility preservation.

Emotional support and counseling throughout your fertility journey.

Transparent pricing and flexible EMI schemes to ease financial concerns.

Iswarya Fertility Centre stands committed to your journey towards parenthood by offering expert, compassionate, and personalized fertility care. Contact us today to begin your consultation.