Let's face it, talking about sexually transmitted infections (STIs) isn't exactly a fun topic. But when it comes to our reproductive health, it's crucial to have honest conversations. One question that often pops up is whether chlamydia can lead to infertility. It's time to dive into this topic and separate fact from fiction.

Chlamydia is one of the most common STIs out there, affecting millions of people worldwide. The tricky part about chlamydia is that it often doesn't cause noticeable symptoms, which is why regular testing is so important.

Now, let's address the elephant in the room: can this sneaky infection really impact our ability to have children? The short answer is yes, it can. But before you panic, let's break it down and look at the facts.

doctor and patient discussing chlamydia and fertility

Understanding chlamydia and its impact on reproductive health

Chlamydia is a sexually transmitted infection caused by a type of bacteria known as Chlamydia trachomatis. Being infected with chlamydia doesn’t mean you’ll notice immediate symptoms. Many who carry the infection may feel perfectly fine and have no idea that there is something going on inside the body.

The real concern arises when chlamydia is left untreated. Over time, the bacteria can cause inflammation and irritation within the reproductive tract. If left unchecked, this can lead to pelvic inflammatory disease (PID).

PID is a condition that can cause scarring of the fallopian tubes and create challenges with fertility in the future. When scarring in the fallopian tubes occurs, the path for the egg to meet sperm and become fertilized becomes altered, making it harder for pregnancy to happen.

As Dr. Caledonia Buckheit, OG-GYN, explains, "The fallopian tubes can be narrowed, dilated, normal size but scarred with PID. Any of these can lead to altered motility within the tube and limit fertility and/or increase the risk for ectopic pregnancy."

This is why early testing and treatment matter.

How chlamydia affects the female reproductive system

Chlamydia infections often start in the cervix. When the bacteria remain there without proper treatment, they can travel up into the uterus, fallopian tubes, and possibly the ovaries. This upward spread can lead to PID, which is like having a painful, ongoing irritation in the reproductive organs.

According to the CDC (Centers for Disease Control), ongoing or repeated chlamydia infections raise the risk of serious reproductive health issues, including PID and eventually trouble getting pregnant and increased risk for ectopic pregnancy.

The problem lies in the damage chlamydia-related infections can cause over time. When the body tries to heal from these infections, scar tissue can form. Scar tissue within the fallopian tubes acts like a roadblock.

Dr. Caledonia Buckheit goes into more detail: "Without a clear path, it's difficult for the egg and sperm to meet, for fertilization to occur, and for the developing pregnancy to make its way back into the uterine cavity for implantation."

Even if a woman ovulates regularly, these scars can prevent sperm and egg from meeting, or cause fertilized eggs to get stuck, possibly leading to an ectopic pregnancy. It all comes down to how long the infection goes unchecked and how the body responds to it.

Can a man have kids if he has chlamydia?

Let's talk about the guys for a moment. The impact of chlamydia on male fertility is often less discussed, but it's an important topic. The good news is that chlamydia rarely causes permanent infertility in men. However, it can still cause some issues that might make conceiving more challenging.

Untreated chlamydia in men can lead to epididymitis, an inflammation of the epididymis. This condition can cause pain, swelling, and in some cases, may affect sperm quality or movement. In rare cases, it might lead to scarring that could block sperm flow.

The key message here is that while men with chlamydia can usually still father children, getting tested and treated promptly is crucial. Not only does this protect their own health, but it also prevents spreading the infection to their partners.

fertilility tracker worksheet

How likely is it that chlamydia will cause infertility?

The likelihood of chlamydia causing infertility isn't a simple numbers game. It depends on various factors, including how long the infection goes untreated and individual health circumstances.

But it's worth understanding that untreated chlamydia can lead to pelvic inflammatory disease (PID) in women, which is a major culprit when it comes to fertility issues.

Research suggests that about 10-15% of women with untreated chlamydia will develop PID. Among those who develop PID, about 15-20% may experience infertility as a result. While these numbers might seem small, they're significant enough to take seriously.

This doesn’t mean a single untreated chlamydia infection automatically leads to being unable to have children. Many women who treat chlamydia early and take steps to prevent re-infection can go on to have healthy, successful pregnancies.

Can you still get pregnant if you've had chlamydia?

Here's some good news: having had chlamydia in the past doesn't automatically mean you can't get pregnant. Many people who've been treated for chlamydia go on to have healthy pregnancies and babies. The key word here is "treated."

Prompt diagnosis and treatment significantly reduce the risk of long-term complications, including infertility.

If you've had chlamydia and are concerned about your fertility, it's worth having an open conversation with your healthcare provider. They might suggest certain tests to see if there’s been any lasting damage.

There are ways to check if the fallopian tubes are open and if they are in healthy working order. If the tubes are blocked or scarred, there may be medical treatments or procedures available to improve chances of getting pregnant.

Remember, knowledge is power, and understanding your reproductive health puts you in the driver's seat.

woman getting a blood test

Which STD causes the most infertility?

While chlamydia is a significant concern when it comes to fertility, it's not the only STI that can impact reproductive health. Gonorrhea is another major player in this arena. Like chlamydia, gonorrhea can lead to PID in women and can cause inflammation in men's reproductive organs.

Both chlamydia and gonorrhea are considered leading causes of preventable infertility worldwide. However, it's important to note that other STIs, such as syphilis and HIV, can also affect fertility and overall reproductive health.

The takeaway here isn't to cause fear, but to emphasize the importance of regular STI testing and practicing safe sex. Prevention and early treatment are your best allies in protecting your fertility and overall health.

The importance of regular testing and safe sex practices

If there's one thing to take away from all this, it's the importance of regular STI testing and practicing safe sex. Many people with chlamydia don't experience symptoms, which means they could be unknowingly spreading the infection or allowing it to potentially cause long-term health issues.

Healthcare providers recommend yearly chlamydia screening for sexually active women under 25 and for older women with risk factors like new or multiple sex partners. Men who have sex with men or those with HIV should also get tested regularly.

Don't feel put off by STI tests, either — both gonorrhea and chlamydia tests can be done with urine testing, not necessarily with a vaginal or penile swab, so no need for the anxiety about going to get tested!

Using barriers like condoms and dental dams during sexual activity can significantly reduce the risk of contracting or spreading STIs. And let's be real — there's nothing sexier than taking charge of your sexual health and showing respect for your partner's well-being too.

woman at peace

While chlamydia can potentially impact fertility, it's not a guaranteed outcome. The most important factors are prevention, regular testing, and prompt treatment if an infection occurs. By staying informed and proactive about your sexual health, you're taking significant steps to protect your fertility and overall well-being.

Remember, there's no shame in talking about sexual health or seeking help if you have concerns. Your healthcare provider is there to support you, not judge you. So don't hesitate to reach out if you have questions or need testing. Your future self (and possibly your future children) will thank you for taking care of your reproductive health today.


Tassia O'Callaghan is an experienced content writer and strategist, having written about a vast range of topics from chemical regulations to parenting, for brands like Peanut App Ltd, Scary Mommy, Tally Workspace, and Office Christmas. She's an advocate for realistic sustainable living, supporting small businesses (author of A-Z of Marketing for Small Businesses), and equity across all walks of life. Follow her on LinkedIn or TikTok, or see more of her work on Authory or her website.

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