What is Aspermia?
Aspermia is when male can't produce semen during ejaculation. It's different from azoospermia, where there's no sperm in the semen. Aspermia is a big cause of male infertility. Guys with this can still climax and feel like they're ejaculating, but no semen comes out. It's usually because of retrograde ejaculation or a blockage in the ejaculatory duct.