What happens if testis and ovary does not function properly?

What happens if testis and ovary does not function properly ?
A. i) If the testis does not work properly Testosterone may not secrete, as a result
secondary sexual characters like growth of hair on face, muscular development, deepening of voice, normal sexual behavior and development of male sex organs may not takes place.
ii) If ovary does not work properly Estrogen and Progesteron may not secrete as a result growth of the uterus and skelton of the pelvis may not takes place.
iii) Menstrual cycle may not takes in female, as a result ovary may not release and
children may not occur. .