Evidence check: Fertility Check | Fruchtbarkeits-Test in the context of Fruchtbarkeit

The provided knowledge contexts do not contain specific information about fertility tests. In general, DNA-based fertility tests can identify genetic variants associated with ovarian reserve (e.g., AMH) or sperm quality, but effect sizes are small and clinical predictive power is limited. Hormonal markers (AMH, FSH) and ultrasound (antral follicle count) remain more reliable. Evidence for direct-to-consumer DNA fertility tests is mostly mechanistic or GWAS-based, not sufficient for individual diagnosis. Marketing often overstates utility. For fertility concerns, consult a reproductive specialist.