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STIs That Cause Infertility in Both Genders

Learn about common STIs like Chlamydia and Gonorrhea that can lead to infertility in both men and women if left untreated. Understand how these infections impact reproductive health and the importance of testing and early treatment.

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Written by Dr. Siri Nallapu

Reviewed by Dr. Rohinipriyanka Pondugula MBBS

Last updated on 30th Jul, 2025

Sexually transmitted infections (STIs) are common but often overlooked health concerns that can have serious consequences, including infertility in both men and women. Many people are unaware that certain STIs, if left untreated, can lead to long-term reproductive health issues. This article will help you understand which STIs can cause infertility, their symptoms, and how to prevent or manage them effectively.

What Are STIs?

STIs are infections that spread primarily through sexual contact, including vaginal, anal, or oral sex. Some STIs can also be transmitted through blood, sharing needles, or from mother to baby during childbirth. While many STIs are treatable, some can lead to complications like infertility if not addressed early.

Common STIs That Can Cause Infertility

Common STIs that can cause infertility are:

1. Chlamydia

Chlamydia is one of the most common STIs and a leading cause of infertility. It often has no symptoms, making it easy to miss.

How It Affects Fertility:

  • In Women: Untreated chlamydia can cause pelvic inflammatory disease (PID), leading to blocked fallopian tubes, ectopic pregnancy, or infertility.

  • In Men: It can cause epididymitis (inflammation of the testicles), reducing sperm quality and motility.

Symptoms (If Present):

  • Painful urination

  • Unusual discharge

  • Pelvic pain (women)

  • Testicular pain (men)

2. Gonorrhea

Gonorrhea is another bacterial STI that can lead to infertility if untreated.

How It Affects Fertility:

  • In Women: Like chlamydia, it can cause PID, scarring the reproductive organs.

  • In Men: It may lead to epididymitis, affecting sperm production.

Symptoms (If Present):

  • Burning sensation while urinating

  • Yellow or green discharge

  • Painful or swollen testicles (men)

  • Pelvic pain (women)

3. Mycoplasma Genitalium

This lesser-known STI can also contribute to infertility.

How It Affects Fertility:

  • In Women: Linked to PID and tubal scarring.

  • In Men: Can cause urethritis, leading to sperm duct blockages.

Symptoms (If Present):

  • Vaginal or penile discharge

  • Pain during sex

  • Burning sensation while urinating

4. Syphilis

Syphilis is a serious bacterial infection that progresses in stages.

How It Affects Fertility:

  • If untreated, it can cause organ damage, including reproductive organs.

  • In pregnant women, it can lead to miscarriage or stillbirth.

Symptoms (If Present):

  • Sores (chancre) in genital area

  • Rash on palms and soles

  • Fever, fatigue

5. Trichomoniasis

A parasitic STI that can increase the risk of other infections.

How It Affects Fertility:

  • In Women: Can cause PID and increase susceptibility to HIV.

  • In Men: May lead to prostate inflammation, affecting fertility.

Symptoms (If Present):

  • Itching or irritation in genitals

  • Frothy, foulsmelling discharge

  • Discomfort during urination

Get Your Symptoms Assessed

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Ways to protect yourself from STI-related Infertility:

1. Get Tested Regularly

Many STIs show no symptoms, so regular screening is crucial, especially if you are sexually active with multiple partners.

2. Practice Safe Sex

Use condoms consistently and correctly.

Limit sexual partners to reduce risk.

3. Seek Early Treatment

If you suspect an STI, get tested and treated immediately to prevent complications.

4. Vaccination

Some STIs, like HPV (which can also affect fertility), can be prevented with vaccines.

5. Open Communication

Discuss sexual health with your partner and encourage mutual testing.

Consult Top Specialists

Dr. Swagata Sircar, General Physician/ Internal Medicine Specialist

Dr. Swagata Sircar

General Physician/ Internal Medicine Specialist

8 Years • MBBS, MD General Medicine

Kolkata

HealthYou Speciality Clinic & Diagnostics., Kolkata

recommendation

81%

(50+ Patients)

600

600

Dr. Dhanraj K, General Physician/ Internal Medicine Specialist

Dr. Dhanraj K

General Physician/ Internal Medicine Specialist

25 Years • MBBS, MD Internal Medicine - Osmania Medical College, Hyderabad

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

91%

(375+ Patients)

1000

1000

No Booking Fees

Dr. Harshendra Jaiswal, General Physician/ Internal Medicine Specialist

Dr. Harshendra Jaiswal

General Physician/ Internal Medicine Specialist

12 Years • MBBS , MD (General medicine)

Kolkata

108 DHANA DHANVANTARI Clinic, Kolkata

recommendation

87%

(25+ Patients)

750

700

Dr. Anand Ravi, General Physician

Dr. Anand Ravi

General Physician

2 Years • MBBS

Bengaluru

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When to See a Doctor?

If you experience:

  • Unusual discharge

  • Pain during sex or urination

  • Sores or rashes in the genital area

  • Pelvic or testicular pain

Early diagnosis and treatment can prevent long-term damage.

Final Thoughts

STIs are preventable and treatable, but ignoring them can lead to serious consequences like infertility. Regular testing, safe sex practices, and prompt medical care can protect your reproductive health.

If you have concerns about STIs or fertility, consider booking a consultation with a specialist through Apollo 24|7 for confidential testing and expert advice. Your health matters—take proactive steps today!

Would you like to schedule a test or speak to a doctor? Visit Apollo 24|7 for easy online appointments. Stay informed, stay safe!

Consult Top Specialists

Dr. Swagata Sircar, General Physician/ Internal Medicine Specialist

Dr. Swagata Sircar

General Physician/ Internal Medicine Specialist

8 Years • MBBS, MD General Medicine

Kolkata

HealthYou Speciality Clinic & Diagnostics., Kolkata

recommendation

81%

(50+ Patients)

600

600

Dr. Dhanraj K, General Physician/ Internal Medicine Specialist

Dr. Dhanraj K

General Physician/ Internal Medicine Specialist

25 Years • MBBS, MD Internal Medicine - Osmania Medical College, Hyderabad

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

91%

(375+ Patients)

1000

1000

No Booking Fees

Dr. Harshendra Jaiswal, General Physician/ Internal Medicine Specialist

Dr. Harshendra Jaiswal

General Physician/ Internal Medicine Specialist

12 Years • MBBS , MD (General medicine)

Kolkata

108 DHANA DHANVANTARI Clinic, Kolkata

recommendation

87%

(25+ Patients)

750

700

Dr. Anand Ravi, General Physician

Dr. Anand Ravi

General Physician

2 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Get Your Symptoms Assessed

690(₹1725)60% off

Consult Top Specialists

Dr. Swagata Sircar, General Physician/ Internal Medicine Specialist

Dr. Swagata Sircar

General Physician/ Internal Medicine Specialist

8 Years • MBBS, MD General Medicine

Kolkata

HealthYou Speciality Clinic & Diagnostics., Kolkata

recommendation

81%

(50+ Patients)

600

600

Dr. Dhanraj K, General Physician/ Internal Medicine Specialist

Dr. Dhanraj K

General Physician/ Internal Medicine Specialist

25 Years • MBBS, MD Internal Medicine - Osmania Medical College, Hyderabad

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

91%

(375+ Patients)

1000

1000

No Booking Fees

Dr. Harshendra Jaiswal, General Physician/ Internal Medicine Specialist

Dr. Harshendra Jaiswal

General Physician/ Internal Medicine Specialist

12 Years • MBBS , MD (General medicine)

Kolkata

108 DHANA DHANVANTARI Clinic, Kolkata

recommendation

87%

(25+ Patients)

750

700

Dr. Anand Ravi, General Physician

Dr. Anand Ravi

General Physician

2 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr. Gunashree V L, General Physician/ Internal Medicine Specialist

Dr. Gunashree V L

General Physician/ Internal Medicine Specialist

3 Years • MBBS

Bengaluru

Apollo Clinic, JP nagar, Bengaluru

450

68 Cashback

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