Asthenozoospermia is impaired sperm motility that negatively affects male fertility. It can be diagnosed through semen analysis, which examines six aspects of healthy sperm, including motility. ART, such as IVF, can help with the inability of sperm to move towards the egg.
Asthenozoospermia is a term that means impaired sperm motility. Sperm motility, in turn, refers to how well the sperm move. The ability of sperm to move forward is called forward progression. In general, sperm is distinguished by its progressive and non-progressive motility or immotility at all. When sperm have low motility or are immobile, it can negatively affect male fertility.
Fertility, or the ability to conceive a child, can be hampered by many things. Both males and females could experience infertility, which could be caused by a myriad of factors. Along with asthenozoospermia, other causes of male infertility include lack of sperm, low sperm count, or abnormal sperm count. Additional factors that could influence infertility are health problems and environmental conditions.
Male infertility can be diagnosed through many different means, including a physical exam and medical history disclosure. Asthenozoospermia is usually checked through semen analysis, which is done by a fertility specialist. For this test, several samples may be collected for testing to ensure the accuracy of the results.
During the analysis, the samples are examined for six different aspects that make up healthy sperm. Four of these aspects are concentration, morphology and volume as well as a standard fluid test. Concentration deals with the ratio of sperms per milliliter; morphology refers to the shape of the sperm. Volume refers to the total volume of the semen sample, and the standard fluid test looks at the thickness and color of the semen.
The other two aspects analyzed in semen analysis concern sperm motility: the percentage of movement of sperm within the semen and a count of the total number of sperm in movement. Motility is determined by the ability of the sperm to reach the egg for fertilization to take place. Progressive motility means that sperm is active, whether it is moving linearly or in large circles. In nonprogressive motility, sperm is active even though there is no forward progression. When the sperm does not move, it is called immotility.
Since there are various factors that can affect fertility, there are different methods of medical treatment to improve the chances of conceiving a child. With asthenozoospermia, the problem lies in the inability of the sperm to move towards the egg. Assisted reproductive technology (ART) is one treatment method that may be able to help with this dilemma, as it involves directly injecting sperm into the egg. In vitro fertilization (IVF) is the most common form of ART.
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