Bacterial vaginosis may hinder pregnancy through IVF

It is well known that the presence of bacterial vaginosis (BV) can lead to preterm birth and other complications during pregnancy. Until now, we have unsuccessfully searched for information on whether BV also affects the ability to become pregnant in the first place. A recent small Danish study has now proven that bacterial vaginosis plays a critical role in assisted reproduction (IVF).

Danish research points to a clear connection

The study was conducted at two Danish fertility clinics. A total of 130 women had their vaginal flora examined during IVF treatment. 21% had BV according to classic diagnostic criteria, while 29% had abnormal vaginal microflora.

Among the 84 women who completed IVF, 29 (35%) became pregnant. But among the 22 women with abnormal microflora, only 2 (9%) achieved pregnancy. According to scientific standards, this proves that vaginal bacterial imbalance reduces the chances of pregnancy through assisted reproduction.

Does this only apply to IVF?

The study says nothing directly about natural conception. But there is no reason to believe that vaginal microbiota only plays a role in IVF. If you are trying to conceive, it may therefore be worth considering whether bacterial imbalance could be part of the explanation—especially if it takes a long time or if you experience symptoms like unpleasant-smelling discharge or recurring irritation.

LadyBalance as support

LadyBalance® vaginal tablets provide nutrients to beneficial lactic acid bacteria, helping them dominate the environment and lower the pH. This can lead to better balance—and as this study suggests—possibly better conditions for pregnancy.

We also take this opportunity to point out that we now include an applicator with LadyBalance vaginal tablets if you want easier and more hygienic insertion. Visit www.ladybalance.dk to learn more.

Reference

Haahr et al. (2016): Abnormal vaginal microbiota may be associated with poor reproductive outcomes: A prospective study in IVF patients. Hum. Reprod. Advance Access 0(0) 1–9.

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