
Chile recently launched the world's first sterilization vaccine for dogs. Notably, this vaccine is effective in sterilizing dogs in just 1 year.

Currently there are many methods of contraception, but not all contraceptives are good and do not affect the health of women.

Sterilization is a method of contraception that provides a sure, lasting effect and is used by many countries around the world.

Chinese scientists plan to conduct a unique experiment in southwest China to prevent the African swine fever.

Having never officially studied medicine, with great contributions, Louis Pasteur is still regarded as a great physician and honored.

Sterilization gives a high success rate, but there are some cases where the ear canal itself relapses to pregnancy.

The doctor removes 1-2cm of vas deferens and closes the two ends so that the sperm does not have a way out and drains itself.