pregnancy, pregnancy symptoms, early pregnancy

Ureaplasma and infertility: What you have to know


Principal picture: Courtesy of Molly Sohr. Photographed by Kristin Sweeting.

Within the spring of 2020, Molly Sohr and her husband Andrew had been attempting for a child for 4 years. “We tried each fertility treatment underneath the solar,” she tells Motherly. Sohr was ultimately recognized with polycystic ovary syndrome (PCOS), however the conventional PCOS therapies nonetheless didn’t assist. Nothing was working, from hormone protocols to extra invasive fertility processes, like in vitro fertilization (IVF) and embryo transfers. 

In April that 12 months, Sohr had her fourth miscarriage. “Our fourth loss led us to interview surrogates whereas additionally diving deeper into why I might have misplaced a genetically examined, ‘nice high quality’ embryo,” she remembers. After a specialist requested that her fertility physician run a slew of recent checks in search of the reason for her recurrent pregnancy loss (RPL), just one got here again constructive, providing a clue as to what was happening: Ureaplasma.

What’s ureaplasma?

Ureaplasma spp. is a gaggle of microscopic micro organism that colonize the urinary and reproductive tracts. They’re sometimes innocent, however an overgrowth can inflame healthy tissues just like the endometrial lining, making being pregnant far more troublesome. Ureaplasma an infection might also play a role in preterm delivery. Infections could typically be asymptomatic, however are usually handled with widespread antibiotics akin to azithromycin or doxycycline. 

Ureaplasma is extremely widespread. So why do not extra medical doctors routinely check for it?

“It was the one check that got here again constructive as to why I might have misplaced all of those infants—and probably the rationale why it was exhausting for me to conceive within the first place!” Sohr shares. She and her husband each took antibiotics for 2 weeks, examined once more for ureaplasma to make sure the an infection had cleared, after which transferred one other embryo. She delivered a wholesome child boy 10 months later. 

Courtesy of Molly Sohr. Photographed by Austin Gros.

Some statistics estimate that ureaplasma might be discovered in anywhere from 40% to 80% of women who’re asymptomatic and sexually lively. Ureaplasma is often innocent in a big share of people that have the micro organism. However ureaplasma has additionally been recognized as a possible contributor to persistent endometritis (an irritation of the endometrial lining, which differs from endometriosis), and has been examined for its relationship to recurrent miscarriage

“I keep in mind my physician [the specialist, William Kutteh, MD, PhD, at Fertility Associates of Memphis] on the time telling me that 90% of sufferers he checks and finds [positive for ureaplasma] go on to have a wholesome being pregnant. It was the one check that gave any indication to what my subject could also be,” Sohr says. So why don’t extra medical doctors routinely check for ureaplasma? 

Recurrent being pregnant loss is comparatively uncommon

For one, recurrent being pregnant loss is each uncommon and an extremely difficult prognosis, and there’s a dearth of proof concerning therapy presently, notes Sarah Hartwick Bjorkman, MD, an OBGYN and Motherly’s Medical Advisor.

The American Society for Reproductive Drugs (ASRM) defines recurrent pregnancy loss as two or extra failed scientific pregnancies. “Finest estimates counsel that lower than 5% of girls will expertise two consecutive miscarriages, and only one% expertise three or extra,” says Dr. Bjorkman.

However should you’re a part of that 5%, these recurrent losses might be devastating, no matter how uncommon they’re, and can in all probability ship you trying to find solutions, like Sohr. Whereas a number of totally different causes might be attributed to or correlated with RPL, many others are still unknown. One situation that’s thought-about a possible—although considerably controversial—reason behind RPL is persistent endometritis, which can even be associated to ureaplasma an infection. 

What’s persistent endometritis?

Outlined as persistent irritation of the endometrial lining, persistent endometritis has been proven to be pretty widespread in girls with RPL. As many as 10% to 27% of these with RPL could have this situation. 

Power endometritis is most likely the result of an infection (from a wide range of potential sources), and might often be handled with antibiotics normally. Like ureaplasma an infection, the situation can also be usually without symptoms, however can current with low-grade irritation. Whereas there’s some proof that persistent endometritis is said to ureaplasma an infection, no direct causal hyperlink exists—but. That’s the first purpose why routine testing and even prophylactic therapy with antibiotics isn’t broadly really useful.

“No randomized trials have been revealed up to now, and controversies stay in regards to the impression of [chronic endometritis] on reproductive consequence, the affected person inhabitants to display, the therapy routine, and the necessity for a biopsy to verify decision. Given the dearth of conclusive proof, a number of worldwide societies don’t embrace screening for [chronic endometritis] of their suggestions,” writes Hady El Hachem and colleagues in a 2017 article on RPL

“There could also be some utility in treating [chronic endometritis], however this isn’t the usual of care and there’s nonetheless rather a lot to study RPL and persistent endometritis,” Dr. Bjorkman shares.

Must you get examined for ureaplasma?

As a result of ureaplasma is only one of a number of potential causes of each persistent endometritis and RPL, with out direct proof supporting the hyperlink, it’s not excessive on most medical doctors’ lists to routinely check for. It additionally tends to be innocent normally—the bulk of people that harbor the micro organism do not go on to develop disease, which implies common screening probably isn’t warranted.

“It doubtlessly falls underneath the umbrella of testing for persistent endometritis, however in search of soley ureaplasma is not one thing routinely performed,” Dr. Bjorkman notes. “These with recurrent being pregnant losses ought to speak with their OB supplier and even ask for a referral to a reproductive endocrinology and infertility specialist, who will help information them to pursue one of the best choices for work-up and therapy which might be obtainable.”

For those who’ve had recurrent losses or an particularly powerful time getting pregnant, it could possibly be value mentioning persistent endometritis and ureaplasma together with your physician. “This check introduced us not solely solutions however our child,” Sohr shares. “The method of attempting to conceive [TTC] is a lonely, exhausting highway, however I discovered you must be your personal advocate and by no means quit hope.” 

Featured professional

Dr. Sarah Hartwick Bjorkman, OB-GYN and Motherly’s Maternal Well being Advisor


Cicinelli E, Matteo M, Tinelli R, et al. Chronic endometritis due to common bacteria is prevalent in women with recurrent miscarriage as confirmed by improved pregnancy outcome after antibiotic treatment. Reprod Sci. 2014;21(5):640-647. doi:10.1177/1933719113508817

El Hachem H, Crepaux V, Might-Panloup P, Descamps P, Legendre G, Bouet PE. Recurrent pregnancy loss: current perspectives. Int J Womens Well being. 2017;9:331-345. doi:10.2147/IJWH.S100817

Horner P, et al. Should we be testing for urogenital Mycoplasma hominis, Ureaplasma parvum and Ureaplasma urealyticum in men and women? – a position statement from the European STI Guidelines Editorial Board [Abstract]. 2018. doi:10.1111/jdv.15146

Park HJ, Kim YS, Yoon TK, Lee WS. Chronic endometritis and infertility. Clin Exp Reprod Med. 2016;43(4):185-192. doi:10.5653/cerm.2016.43.4.185

Rittenschober-Böhm J, et al. First trimester vaginal Ureaplasma biovar colonization and preterm birth: Results of a prospective multicenter study. 2017. doi:10.1159/000480065

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