[Pathoanatomical investigation of early pregnancy loss : Diagnostic possibilities and limitations].
Level 5 - mechanism / opinion, no new human data
Narrative review of diagnostic approaches and clinical guidelines without original empirical data or systematic review methodology.
PubMed 41524957 · doi:10.1007/s00292-025-01531-w
What was done
This review outlines diagnostic workflows and German clinical guideline recommendations (S2k) for the pathoanatomical examination of early pregnancy loss curettage specimens. It describes macroscopic dissection protocols, histological assessment of decidual and villous compartments, and the application of cytogenetic and molecular diagnostic methods.
What was found
The abstract reports no empirical trial data, test accuracy statistics, or effect sizes. It notes that approximately 15% of clinically diagnosed pregnancies end in miscarriage. Key diagnostic objectives described include confirming intrauterine pregnancy to exclude ectopic gestation, identifying hydatidiform moles, screening for villous tissue abnormalities linked to sporadic chromosomal aberrations, and detecting lesions associated with high recurrence risk, including chronic histiocytic intervillositis, massive perivillous fibrin deposition, and chronic deciduitis.
Why it matters
Standardized pathological examination of miscarriage tissue helps determine specific etiologies and stratify recurrence risks for subsequent pregnancies.
Limits
The abstract provides a narrative review rather than empirical research, omitting sample sizes, systematic search methods, and quantitative measures of diagnostic accuracy.
Cited by
- supports The primary cause of pregnancy loss is random genetic abnormality in the embryo.