abnormal ejaculation
anejaculation
http://purl.bioontology.org/ontology/MEDDRA/10073936
http://purl.obolibrary.org/obo/HP_0012879
https://en.wikipedia.org/wiki/Anejaculation
Inability to ejaculate, usually for pathological reasons.
absence of ejaculation
anorgasmic anejaculation
ejaculation failure
ejaculatory incompetence
orgasmic anejaculation