Can a Woman Get Trichomoniasis on Her Own? Understanding Transmission

Amisha Jain
Medically reviewed by
Dr. Kaushal

Review medical content on WOW Rx Pharmacy, so that accurate drug use information is easily accessible to everybody.
Dr. Akansha is a licensed Clinical Pharmacologist. She possesses remarkable knowledge in Pharmacovigilance, prescription analysis, drug information, and drug safety services. Additionally, she is a keen learner and an educator.

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can a woman get trichomoniasis on her own

Trichomoniasis, caused by the protozoan parasite Trichomonas vaginalis, is a Sexually Transmitted Infection (STI) commonly associated with vaginal discomfort, discharge, and itching. 

While it is widely recognized as an STI, there are various misconceptions and questions surrounding its transmission.

One such question is, can a woman get Trichomoniasis on her own without engaging in sexual activity with an infected partner?  

This article delves into the research surrounding Trichomoniasis transmission and examines the possibility of women acquiring the infection independently.

Can a woman get Trichomoniasis without sexual contact

The primary mode of transmission of Trichomoniasis is through sexual contact.

However, there is some evidence suggesting otherwise as well.

An extensive literature search indicated the non-sexual transmission of Trichomoniasis through fomites, such as toilet seats, towels, swimming pools, etc.

Hence, it is possible for women to get Trichomoniasis on their own.

Trichomonas vaginalis stands as the predominant non-viral STI. Globally, an estimated 156 million new cases of T. vaginalis infection occurred among individuals aged 15–49 in the year 2020.

In the following section, we will discuss the various ways in which this transmission can happen.

Understanding Trichomoniasis transmission

couple hugging on bedSource: Getty_images
Sexual transmission

While sexual transmission is the primary mode, studies suggest that non-sexual transmission may be possible but is relatively uncommon. 

However, the risk is considerably lower compared to sexual contact.

One study from Zambia found that the girls who participated in the study tested positive for Trichomoniasis even though they had never had any sexual contact.

The reason behind the same was shared bathwater and an inconsistent use of soap.

Some studies propose the concept of autoinoculation, where an individual could potentially spread the infection from one part of their body to another. 

However, research on autoinoculation remains limited, and the primary mode of transmission still overwhelmingly involves sexual contact.

Recommended Article
Learning the signs and symptoms of Trichomoniasis can be helpful in detecting the infection promptly. Read Trichomoniasis Symptoms: Signs of a Parisitic STI for a clear understanding.

Other modes of transmission

couple holding handsSource: Signature_images
Non-sexual transmission

Apart from the above-mentioned non-sexual methods of transmission, there is evidence of vertical transmission of the infection.

Studies suggest that Trichomoniasis can be transmitted from mother to child during childbirth. 

If a pregnant woman is infected, the parasite can be present in the birth canal, leading to the newborn acquiring the infection during delivery. 

Moreover, pregnant women with Trichomoniasis are more likely to give birth pre-term,  and the babies have a greater chance of having low birth weight.

This highlights the importance of screening and treating pregnant women for Trichomoniasis to prevent vertical transmission.


Trichomoniasis is primarily a Sexually Transmitted Infection, with sexual contact being the chief mode of transmission. 

While non-sexual transmission and autoinoculation are theoretically possible, they are considered rare occurrences. 

The risk of contracting Trichomoniasis independently, without sexual contact or exposure to infected personal items, appears to be minimal.

To reduce the risk of Trichomoniasis transmission, practicing safe sex, getting regular screenings, and avoiding the sharing of personal items are crucial preventive measures. 

For pregnant women, routine screening and timely treatment are imperative to prevent vertical transmission to the newborn.

It is important to note that ongoing research may provide additional insights into the transmission dynamics of Trichomoniasis. 

As our understanding of this STI evolves, healthcare professionals and individuals alike should stay informed about the latest findings to guide effective prevention and management strategies.

Untreated Trichomoniasis poses serious health risks, potentially leading to Pelvic Inflammatory Disease(PID), increased vulnerability to other Sexually Transmitted Infections (STIs), complications during pregnancy, and an elevated risk of HIV transmission. Timely diagnosis and treatment are suggested to prevent these severe consequences.

Frequently Asked Questions

Can I get Trichomoniasis if my partner doesn’t have it?

Yes, it’s possible. Trichomoniasis can be transmitted even if your partner doesn’t show symptoms. Asymptomatic carriers exist, and individuals may unknowingly spread the infection. Regular STI testing and open and honest communication with partners are crucial for prevention.

How did my girlfriend get Trichomoniasis?

Trichomoniasis is a Sexually Transmitted Disease. Your girlfriend likely acquired it through sexual contact with an infected partner. Consistent condom use, open communication, and regular STI screenings can help prevent transmission.

Can a woman have trich without symptoms?

Yes, women can have Trichomoniasis without symptoms, making detection challenging. Routine STI screenings, especially during pregnancy, are vital to identify and treat asymptomatic cases, preventing potential complications.

Can a girl spread Trichomoniasis?

Yes, women can spread Trichomoniasis to sexual partners. The infection is transmitted through sexual contact, and both symptomatic and asymptomatic individuals can pass it on. Safe sex practices, regular testing, and communication can help reduce transmission risk.

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