In this episode of The Fertility Suite Podcast, we explore the vital and often overlooked role of the vaginal microbiome in fertility.

Joined by Jess Childs, registered Nutritional Therapist and Intimate Health Specialist at Pelvic Relief, we break down what the vaginal microbiome is, why a Lactobacillus-dominant environment supports fertility, and how imbalance may affect sperm survival, implantation, and early pregnancy.

We discuss what influences vaginal bacteria, common (and silent) signs of imbalance, how vaginal microbiome testing works, and practical ways to support vaginal health when trying to conceive. We also explore live bacteria (probiotics) and their potential role in maintaining a healthy vaginal environment.

This episode is essential listening for couples TTC who want a deeper understanding of fertility beyond hormones and timing. Below you will also find some of the studies that were referenced in this pod and you can contact Jess on: jessica@pelvicrelief.co.uk

• Impact of ureaplasma in semen (these findings revealed that U. urealyticum lowers semen quality via the upregulation of semi nal fluid leukocytes, elastase, pro-inflammatory cytokines, and DNA fragmentation): https://link.springer.com/content/pdf/10.1186/s12610-025-00262-5.pdf
• In conclusion, although the causes of miscarriage are often unknown, research suggests that the microbiota in the vaginal could contribute to an increase in miscarriages. https://www.sciencedirect.com/science/article/pii/S0165037824000603
• Taken together, these findings underscore the potential of the (reproductive tract) microbiome to shape immune responses in pregnancy and the possible role of microbial dysbiosis in Recurrent Pregnancy Loss through its effects on immune balance: https://www.sciencedirect.com/science/article/pii/S0165037824000603

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