What kind of man can donate sperm

(a) for the selection of fine:

The essence of the standard for for:

(1) ensure that in good health;

(2) no genetic diseases;

(3) for the fine age should be less than 45 years old, to reduce the possible existence of age related harm;

(4) the selected for the essence of the best has confirmed that their fertility is good.

(2), for the screening of the fine

1, semen test: in 2 ~ ~ 3 days after abstinence take his semen examined, masturbation law will collect sperm in clean container, 1 hour inspection. General according to WHO semen inspection manual regulation methods to check, the normal specimens generally are as follows:

(1) > 1 ml of semen

(2) sperm motility > 60% of sperm a straight line active movement or sperm motility > 40% after thawing;

(3) sperm density acuity 50 x10000000 / ml;

(4) sperm forms: 60% normal form;

(5) other semen parameters according to WHO semen test manual standards in the normal range.

2, genetic check: should strengthen the essence of the genetics of for inspection, and pay attention to the home of the history of the cluster collection. But generally think that overall chromosome check is not necessary, for the fine should not congenital anomaly, even minor quirks (such as the rabbit pure, crack palate, spina bifida, congenital heart disease, congenital femoral head, deformed foot and dislocation hypospadias, etc), and no small dream DE even (Mendelian) disease (such as the disease of hemophilia, hemoglobin disease, inherited high cholesterol, nerve fibroma or nodular sclerosis), no family sex and genetic disease (such as asthma, diabetes, epilepsy, high blood pressure, etc.), as well as the sickle cell disease black blood.

3, always history: the general health for sperm is better, mental mood stable, no genetic disease and family history of cluster, always have not suffered from any systemic disease. Should collect full sexual history, eliminate AIDS high-risk groups and/or have multiple partners, who have gay history is not for the fine. Intravenous drug users of serum, or sexual spouse acquired immune QueSunZheng group of dangerous people, to have multiple sexual spouse, or sexually transmitted disease evidence or the past had sexually transmitted diseases can use.

4, physical examination: including thorough examination. The reproductive system and including ABO blood group, RH blood group, the common laboratory examination, and reference the past history of complete physical, establish the specialist special card. Physical examination found urethral purulent, genital warts or genital ulcers person cannot make for fine person.

5, sexually transmitted disease laboratory examination: collect carefully history, to determine whether to belong to high-risk groups, such as, gay, bisexual, and intravenous drug, such as for the object cannot pure person. Besides, it shall be for the following the check:

(1) do serum syphilis experiment;

(2) hepatitis b antigen test, every 6 months after review;

(3) urethral secretion training, and examined for naphthalene harp's drench coccus and chlamydia trachomatis, every six months review;

(4) the detection of AIDS antibody serum, if can be collected and negative semen cryopreservation, every 180 days later, check again for AIDS antibody negative, can use the sperm for artificial insemination;

(5) conditions for tumor antibody determination.