Artificial insemination is a technique to deliver the sperm of a husband or sperm donor into the female reproductive tract by artificial injection to achieve the purpose of conception. For couples who are infertile due to male reasons, having children is a remedial measure.
There are two main types of artificial insemination: one is fertilization with husband's semen. The other is artificial insemination with donor sperm or cryopreserved sperm. For female infertility caused by male factors such as cervix and immunity or unknown reasons, semen washing can be carried out before artificial fertilization in uterine cavity and abdominal cavity or direct fertilization in follicle.
The successful clinical application of artificial insemination began in 1950s. 1953, cryopreserved sperm was used for artificial insemination for the first time in the United States. China Hunan Medical College 1983 Artificial insemination of frozen semen succeeded. 65438-0984, Shanghai Second Medical College successfully applied sperm washing to artificial insemination. Now, Beijing, Qingdao and Guangzhou have started artificial insemination.