Lesson 1, Topic 1
In Progress

Life Span Changes of the Male Reproductive System

April 11, 2024

Learning Objective: Analyze the life span changes to the male reproductive system.
      The male reproductive system changes with age. The following sections discuss the changes to the male reproductive system over the life span.

Changes with Puberty
Learning Objective: Describe the changes to the male reproductive system during development through puberty.
      The testicle develops in the abdomen and starts its descent into the scrotum in utero around the seventh month. At puberty, usually between ages 9 to 15, the pituitary gland secretes luteinizing hormone, which stimulates the testicles to start producing testosterone. Testosterone is responsible for the development of sperm and the secondary sex characteristics. The male secondary sex characteristics include a deep voice, broad shoulders, narrow hips, and additional body hair.

Changes in Older Adults
Learning Objective: Describe changes to the male reproductive system that occur with aging.
      As a male gets older, gradual aging changes begin. Changes occur in the testicular tissue, sperm production, and erectile function. The testicular tissue mass decreases. Testosterone levels gradually decrease and may cause issues with erections. The testes continue to create sperm but at a slower rate. Benign prostatic hyperplasia can occur, leading to issues with urine retention, ejaculation, and a slowed urine stream.