Frozen sperm, that is, men consider freezing their own sperm in a medical institution with corresponding qualifications in consideration of future fertility plans to prevent future fertility risks. Sperm freezing technology is relatively mature. Sperm freezing can be used as an aid for infertile people. Fertility measures, some very severe oligozoospermia patients can cryopreservation of precious sperm during the treatment process for monosperm injection in the cytoplasm to prevent the development of azoospermia in the future, so that they are completely lost. Father's ability. On December 3, 1953, scientists at the University of Iowa announced their first successful insemination using frozen sperm. Babies who became pregnant as a result of insemination with frozen sperm were born about 3 months later.
Frozen sperm
1. Accept assistance
For health reasons and ethical considerations, there are regulations on freezing times in foreign countries. For example, the British artificial fertilization and embryo tissue regulations stipulate that the maximum age for men to refrigerate sperm is 55 years, and the maximum freezing time for sperm must not exceed 10 years.
Some people observed more than 1,700 frozen sperm in dogs for three generations and found no problems. Investigations in the US of 1500 and Japan of 200 children conceived with frozen sperm did not reveal any abnormalities. Experiments have shown that human sperm have been frozen for 10 years and still function as usual after thawing. The survival rate of frozen sperm after rewarming was 50% in Qingdao Medical College of China; Hubei Medical College successfully conceived the wives of 44 male infertiles, giving them healthy and lively babies.
Zhen Ni said that we need to do it because of sperm and egg rejection. Zhen Ni confessed her memory of Fu Sheng. When she lost her husband, she felt that "life is better than death": "I can't accept it. I even want to end my life. I'm lucky to be sent to the hospital to recover my life." Four years after Fu Sheng died, Zhen Ni decided to use her husband's frozen sperm to give birth to her daughter and save the love of the two. And Melody's face, eyes and mouth are very similar to Fu Sheng.
The first step: first check for infectious disease screening, including
Ian Morris was diagnosed in 1994
In some people's eyes, sperm freezing and resuscitation is like thawing frozen meat in the refrigerator in their own home, and it will deteriorate. This is not the case. At present, the sperm freezing technology is quite mature. Once the sperm added with the protective agent is frozen and stored, its biological activity stops, which means that the sperm does not deteriorate. Will pass clinically
With the practical success of freezing sperm to conceive children, there is a rumor on the Internet that there may be a group of people going from the Dink family to the frozen family. Because of some Dinks, in order to prevent sperm quality when the old people want children, or the number of sperm to conceive is not reached at all, when they are young, they want to "save" their sperm frozen, leaving a trail.
But neither medical experts nor ethicists agree with this approach, because freezing sperm is only a means of assisting fertility, providing the last help for infertile patients.