Normal sperm morphology is divided into the head, body, tail, the shape of the tadpole, any part of the abnormality is considered to be abnormal sperm, may be associated with infection, injury, chemical drugs and other causes.
1. Head: Normal spermatozoa have an oval head and a flattened pear-shaped side, with the acrosome accounting for 40% to 70% of the head.
2. Body: the part is thin and 1.5 times the length of the head, which is close to the head at the axis.
3. Tail: The tail is thinner than the body, more uniform and straight.
When any one of the three parts of the spermatozoa is abnormal, it is considered abnormal spermatozoa. When there is infection in the reproductive system, the application of estrogen, heavy metals and other chemical drugs, radiation damage, and varicose veins of the spermatozoon, etc. can cause an increase in the number of spermatozoa with abnormal morphology.
When more abnormal spermatozoa are present, it is necessary to clarify the cause of the disease under the guidance of a doctor and actively treat it.