A biological therapy used to treat a disease by activating or suppressing the immune system.

A common and highly contagious bacterial skin infection that appears as red sores and is most common among infants and children.

The inability to control urination or bowel movements.

A procedure (done in conjunction with in vitro fertilization) in which a single, healthy sperm is extracted from a semen sample and directly injected into the cytoplasm of a mature egg.

A small device inserted into the uterus to prevent pregnancy.

A type of artificial insemination in which sperm that have been washed and concentrated are directly placed in the uterus during ovulation.

A complex series of procedures in which mature eggs are collected from the ovaries, fertilized by sperm in a lab and then implanted back into the uterus as an embryo.

A state of hypersensitivity, frustration, anxiety, anger and lethargy that occurs in men when testosterone levels fall naturally or due to external stress.

A class of phytoestrogens, which are plant-derived compounds that are similar to the female hormone estrogen.