evidence card · cannabis_sperm_dna_damage_fertility
Cannabis use impairs sperm quality (count, motility, DNA integrity) and reduces fertility
H3
▲ supports
stakes moderate
2 posts scored
·
across 1 account
·
1 sources
Summary
Cohort and mechanistic studies support effects on sperm parameters and DNA methylation. Heterogeneity in dose/frequency/cannabis composition complicates quantification.
Five-score assessment
Scores not yet assigned for this card. (Legacy card; will be populated on next refinement.)
Scope
Population
men trying to conceive
Intervention
cannabis abstention for ~90 days (spermatogenesis cycle)
Outcome
sperm parameters, fertilization, miscarriage
Not supported for
- universal infertility claim; many cannabis users conceive normally