sentence: Men ejaculate different amounts of semen.
sentences_before: Semen is known informally as 'cum', 'jism' or 'jizz'.
sentences_after: More semen tends to come out if a man has not ejaculated for many days, or if he has been stimulated for a long time. Older men produce less semen. If a man ejaculates an unusually small amount of semen, this is a medical condition called hypospermia.
concept_name: man
headings: Ejaculation Men Semen
categories: Female reproductive system Male reproductive system