The laboratory inspections of men's fertility are semen analysis, sperm penetration of cervical tests, sperm penetration and removing transparent with hamster egg tests.Except for semen examination as a required item, the rest should be selected according to the specific conditions of the patient.
(1) Semen analysis: It is a compulsory item for infertility. The inspection content includes color, quantity, liquefaction time, pH, sperm count, mobility, survival rate and form, etc.
(2) In vitro fertilization test: Conventional semen analysis is completely normal, and sometimes it cannot completely represent the fertilization ability of sperm. In vitro heterogeneous fertilization tests can make up for their deficiencies, it is valuable to determine men's fertility. The heterogeneous fertilization test of the egg.Foreign reports have a sperm fertilization rate of men with fertility power from 14%to 100%, and less than 10%can be regarded as no fertility.
(3) Sperm penetration test: including post -sexual intercourse test, sperm capacity penetration test, sperm cervical mucus glass penetration method test.
(4) Prostate liquid examination: usually collect prostate fluid with massage method.Normally, it is milky white, alkaline. Under the high -power mirror, it can be seen that the field of lecithin particles full of fields, a little epithelial cells, starch samples and sperm, and the number of white blood cells <10.When there is inflammation, the number of white blood cells increases, and even if it is seen in pile of pus, the lecithin particles are significantly reduced.
(5) Endocrine testing: Mainly testing the level of plasma testosterone, human chorionic gonadotropin stimulation test, gonadotropin release hormone stimulus test, Cromifen citron acid stimulus test, etc., understand the hypothalamus & mdash; & mdash; pituitary & mdash; & mdash; Function of testicular axis.If necessary, adrenal corticosteroids, thyroid hormones or prolactin can be determined.
(6) Immunology test: Sperm condensing antibodies or braking antibodies in serum or slurry in serum or slurry through sperm condensation test or braking test.
(Editor in charge: Internship Liu Suling)