Evidence check: Darmflora MIKROBIOM-Test | Kinder in the context of Fruchtbarkeit

The idea that a gut microbiome test in children could provide insights into future fertility is not scientifically supported. While there are links between the adult microbiome and fertility (e.g., in endometriosis or sperm quality), prospective studies in children are lacking to demonstrate any predictive value. Most commercial tests merely provide a snapshot of bacterial composition without clinically validated reference ranges for fertility. Moreover, the child's microbiome undergoes strong age- and diet-related fluctuations. Such a test cannot reliably predict future fertility. Instead, parents should focus on a balanced diet, adequate physical activity, and regular check-ups. For specific fertility concerns in adulthood, specialized medical evaluations are appropriate. The evidence for using a microbiome test in children for this purpose is best classified as marketing.