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HPV: Staying Protected Against the Most Common STI
HPV: Staying Protected Against the Most Common STI

HPV: Staying Protected Against the Most Common STI

March 19, 2025

You may have heard about HPV from a friend or online—perhaps someone you know was diagnosed, and now you’re wondering how it affects you. How common is it? Should you get tested? And what about the vaccine? Let’s answer these questions and show you how to take charge of your cervical health.

What Is HPV, and Why Should You Care?

HPV (human papillomavirus) is the most common sexually transmitted infection worldwide. Nearly everyone who is sexually active will encounter it at some point.

While most HPV infections are harmless and clear naturally, some can have lasting effects:

  • Low-risk strains (like HPV 6 and 11) don’t cause cancer but can lead to genital warts or other non-threatening issues.
  • High-risk strains (like HPV 16 and 18) are more concerning, as they can cause abnormal cervical cell changes, potentially leading to Cervical Intraepithelial Neoplasia (CIN) or cervical cancer if left untreated.

Cervical cancer is the fourth most common cancer in women worldwide, making awareness, prevention, and early detection essential.

What is CIN?

Cervical Intraepithelial Neoplasia (CIN) is a condition where abnormal cells grow on the cervix. While CIN itself isn’t cancer, it’s considered precancerous and can develop into cervical cancer if not addressed.

  • Causes: High-risk HPV strains (especially 16 and 18) are the main culprits.
  • Risk Factors for CIN:
    • Multiple sexual partners, increasing the likelihood of HPV exposure.
    • A weakened immune system, making it harder to clear infections.
    • Smoking, which harms cervical cell health and makes it easier for HPV to cause damage.

How Do You Detect CIN?

CIN often has no symptoms, so regular cervical screenings are critical:

  • Ages 25+: Pap smears every three years if you ever had sex.
  • Ages 30+: HPV test every five years.
  • Many women choose a combination test (Pap smear + HPV test) for a more thorough check.

These screenings are quick, painless, and potentially lifesaving—don’t skip them.

What Are the Symptoms of Advanced HPV-Related Conditions?

While HPV and CIN usually don’t cause symptoms, advanced cases or cervical cancer may show warning signs:

  • Unusual vaginal bleeding: Between periods, after sex, or post-menopause.
  • Changes in vaginal discharge: Abnormal colour, smell, or consistency.

If you notice these symptoms, see a doctor promptly—they could indicate serious conditions that need attention.

The HPV Vaccine: Your Best Defense

Vaccination is one of the most effective ways to protect yourself from high-risk HPV strains.

Types of HPV Vaccines
  1. Gardasil 9: The most comprehensive option, protecting against nine HPV strains, including high-risk types 16 and 18 (responsible for most cervical cancers) and low-risk types 6 and 11 (linked to genital warts).
  2. Cervarix: Protects against high-risk strains 16 and 18 but doesn’t cover genital wart-causing strains.
  3. Gardasil 4: An earlier version that protects against four strains: 16, 18, 6, and 11.
Who Should Get Vaccinated?
  • Recommended Age: All females aged 9 to 26 for maximum effectiveness before exposure.
  • Catch-Up Vaccination: Adults up to age 45 can still benefit from the vaccine, even if they’ve been sexually active or already exposed to HPV. The vaccine protects against multiple strains of the virus, including those they may not have been exposed to, providing added protection against future infections.

The vaccine doesn’t just prevent cancer—it can also lower the risk of genital warts and other HPV-related conditions.

What Steps Should You Take Now?

  1. Get Screened: If it’s been a while since your last Pap smear or HPV test, schedule one. Screenings detect problems early when they’re easiest to treat.
  2. Consider Vaccination: Talk to your doctor about Gardasil 9 or another vaccine that suits your needs.
  3. Adopt Healthy Habits: A strong immune system helps your body fight HPV infections. Eat a balanced diet, stay active, and avoid smoking.

Take Control of Your Cervical Health

HPV may be common, but it’s preventable and manageable. Routine screenings and vaccinations are your best defenses against its risks. Whether you’re considering a Pap smear or the HPV vaccine, taking these steps now can really protect your health for years to come.

Book an appointment for your Pap smear or talk to our doctor about the HPV vaccine.

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This content is for general guidance only and should not be considered medical advice.
Dr. Jody Paige Goh

CMO, Co-Founder

Dr. Jody is a doctor with a passion for women's health. Her journey began in Singapore's tertiary healthcare system where she worked in Obstetrics and Gynaecology. Recognising the need for accessible and equitable healthcare, Jody has dedicated her career to transforming women's health by integrating comprehensive care into primary healthcare settings.

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