The appearance of the sperm is crucial for the assessment of fertility. Various criteria are used to evaluate human sperm morphology with different classification systems for head, mid-piece and tail defects - which are identified under the microscope. Sperm cells can have defects to their head, midpiece and their tail (see below).
Normal Sperm Cell:
Examples of defects to sperm cells:
What is an acrosome? And what does it do for the fertilization of the egg?
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Often it is so, that we learn to focus on how not to get pregnant, that we forget that there is something called infertility. It is not something we talk about being kids, teens or even adults, because most of us think that pregnancy is something that just happens naturally, when we decide to the make the choice of having a baby. But science shows that it is not always as easy as it may sound.