In recent years, there have been more and more male infertility patients, and the causes of male infertility are different.So how to diagnose the cause of male infertility?
Semen analysis
This helps to understand the fertility of men is a compulsory item for male infertility. The inspection content includes color, quantity, liquefaction time, pH, sperm count, activity, survival rate and form.
Exermiated with in vitro heterogeneity
Even though conventional semen analysis is completely normal, sometimes it is still not possible to completely represent the insemination ability of sperm.In vitro heterogeneous insemination experiments can more accurately estimate the fertilization ability of sperm, and it is very valuable to judge men's fertility. Commonly uses the heterogeneous insemination experiments of human sperm penetrating hamster eggs, with the sperm of normal fertility as a control.
X -ray examination
In order to determine the obstructive area of ??the vasia pipeline, vasters, epididymal angiography, vascus tubes, seminal vesicles, or urethral angiography can be used. Essence
Immunology
Detecting sperm coagulation antibodies or braking antibodies in serum or slurry in the sperm condensing test or braking test.There are many detection methods, and it should be selected according to local conditions.
Testicular biopsy
For sperm non -sperm or sperm, directly check the sperm function of the testicular sperm tubular and the development of interior cells. The synthesis and metabolism of local hormones can be stained by immunohistochemistry.
Prostate liquid examination
Normally, it is milky white and alkaline. Under the high -power mirror, there can be a tiny vision and a folding lecithin particles. A little epithelial cells, starch samples and sperm, the number of white blood cells is less than 10/hp. Pilean pus cells, lecithin particles are significantly reduced.
Endocrine examination
You can understand the function of the hypothalamus-pituitary-testicular axis.Testosterone levels can directly reflect the function of interstitial cells.If necessary, you can determine thyroid hormone, adrenal sebum hormone or prolactin.
(Editor in charge: Lin Sen)