sperm motility

The standard recommended by the World Health Organization is that the activity is from strong to no, divided into four levels a, b, c, and d, and the percentage of classification is made. After the normal person discharges the sperm, the a-level activity force sperm is active and lively, showing a rapid linear motion, and soon exceeds one field of view, which should be greater than or equal to 60%; b-level activity force sperm is better, with medium-speed exercise, but The waveform movement is more; the c-level active force sperm is general, the movement is often no direction, the b and c-level activity force sperm is greater than or equal to 40%; the d-level activity force sperm is inactive, no movement direction. Sperm survival and decreased activity are one of the causes of infertility. Basic Information Specialist classification: male examination check classification: semen and prostatic fluid examination Applicable gender: whether the male is fasting: not fasting Tips: Before collecting semen, you must abstain from 3 to 5 days, usually no more than 5 days. Normal value Within 60 minutes after ejaculation, the a level is >25%. Within 60 min after ejaculation, the a+b level is >50%. Clinical significance 1. The relationship between sperm motility and fertilization is very close. Sperm activity is low, it is difficult to reach the fallopian tube or unable to combine with the egg and can not complete the fertilization process. Insufficient sperm count in class A activity also affects fertilization rate. If continuous examination, sperm survival rate is less than 40%, and C-class active sperm, it may become one of the reasons for male infertility. 2, sperm motility decreased, seen in 1 varicocele, due to poor venous return, resulting in elevated temperature in the scrotum and testicular tissue hypoxia, so that sperm motility decreased. 2 Non-specific infection of the reproductive system and the use of certain antimetabolites, antimalarials, estrogens, nitrogen oxide mustard, etc. Low results may be diseases: semen does not liquefy, male infertility, varicocele notes Before the examination: Before collecting semen, it must be abstinence for 3 to 5 days, generally no more than 5 days. The time of abstinence should not be too long, because the amount of semen increases, and the vitality of sperm decreases. Testosterone propionate, testosterone phenylacetate, and nantrolone phenylpropionate could not be used 1 week before the test. During the examination: the collected semen should be promptly handed over to the doctor for examination and actively cooperate with the doctor. Not suitable for the crowd: no. Inspection process For semen collection, use a soft soap or paraffin to massage the genitals, ejaculate, and collect the semen into a sterile test tube. Give it to the doctor for further examination. If the room temperature is lower than 10 °C, the semen should be placed in 37 ° C water for 5 to 10 minutes and then microscopically examined. Not suitable for the crowd There are no taboos. Adverse reactions and risks Generally no complications and harm.

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