It is an important weapon for sperm to enter the egg. The core of sperm is sperm, which carries genetic material from father. The tail of sperm is like an engine, which can provide energy for it to swim forward. Sperm testing takes time. It is generally recommended to come to the hospital for abstinence for two to seven days. Abstinence time cannot be too short or too long. Don't stay up late and get drunk before the exam. Semen appearance, semen volume, semen pH value, sperm motility, sperm survival rate, sperm concentration and sperm morphology. Sperm density "Note" that the number of tadpoles per milliliter of semen must be kept at 20- 106. Below this value, there will be smaller tadpoles When the total concentration is higher than 50 106/ml, the tail of tadpoles is difficult to swing.
The sperm DNA fragmentation rate is lower than 15%, if the sperm fragmentation rate is higher than 3 1%, 1) it is difficult to conceive, and 2) there is a great possibility of miscarriage after conception; Below body temperature, so this environment is conducive to the healthy growth of sperm. Therefore, avoid overheating bath water, frequent saunas and hot springs, and avoid wearing airtight underwear and tights.