Actually fluoxetine long term may cause certain change in morphology motility and epigenetics of sperm DNA however majority of men can have children naturally on treatment with fluoxetine
However long term ssri effect decreases libido delayed ejaculation erectile dysfunction which can indirectly effect the fertility
However many men can have kids naturally
However ssri usage by father doesn’t have much impact on the baby although it might cause small epigenetic damages to sperm dna
Next Steps
However if u r very much concerned about fertility u can opt for cognitive behavioural therapy and alternative medicines
Health Tips
Have a good nutritious healthy diet moderate exercise mental relaxation programmes meet ur psychiatrist and have a discussion regarding the same issue