Causes of poor sperm morphology watch online
Morphology simply refers to the shape of the sperm. When a sperm sample is causes of poor sperm morphology, part of the sample is prepared to allow easy visualisation of sperm structure so that the proportion of normal sperm, and those falling into tightly defined morphological groups may be counted. It is exactly the same process causes of poor sperm morphology the sample is produced for a semen analysis or if it is to be used as part of an IVF or IUI cycle. The World Health Organisation WHO lay down strict morphological criteria defining the various sperm defects and these are usually simplified for reporting as the percentage of sperm exhibiting head, midpiece or tail defects. The effect of this is that quite often only a very small proportion of sperm are categorised as normal.
Porn Video Trending Now in Sexland
Сomment on the video
Video сomments (5)