|HIV virus causes AIDS|
|Neisseris gonorhoeae bacteria causes gonorrhea|
Infertility is a condition which causes a couple (husband and wife) cannot get pregnancy/cannot have offspring.
On male, infertility is mostly caused by the inadequate sperm or abnormality of sperm structure. The condition occurs because of disease, radiation, mutation, from chemical compounds, high temperature on testicles, and drug use.
On female, the causes of infertility are blocked oviduct and endometriosis. Blocked oviduct is often caused by pelvic inflammation. Endometriosis is a condition where the tissues similar to the lining of uterus (endometrium) grow ousside the uterus (womb). In this condition, endometrium grows within oviduct or abdominal organs.
Cryptorquidism is a abnormal condition of male reproductive organ signed by the absence of testicle or only one testicle in the scrotum.
Micropenis is an abnormal condition of male reproductive organ signed by undeveloped penis size (small size).
Vaginal agenesis is an abnormal condition of female reproductive organ which is associated with the absence of vagina opening or the absence of vagina.
Cervic cancer is a condition which causes abnormal growth on cervix epithelial tissues.
Sexual transmitted disease
Sexual transmitted disease is a disease that is transmitted through sexual contact with the carrier. Some example of sexual transmitted diseases are AIDS, syphilis, and gonorrhea.