As A Guy, You Need Learn About Your Reproductive Health
Sperm malformation (also called teratozoospermia) means that a man’s sperm cells have abnormal shapes or structures. Normally, sperm should have an oval head, intact midpiece, and a long straight tail that allows it to swim effectively. When sperm are malformed, fertility can be reduced because they may not be able to swim properly or fertilize an egg. .
Types of sperm malformations
- Head abnormalities:
Large head / Small head: irregular size makes it difficult to penetrate the egg.
Double head: two heads attached, usually non-functional.
Pinhead sperm: head too small, often lacking genetic material.
Round head (globozoospermia): head lacks acrosome, so sperm cannot break into the egg.
Amorphous head: irregular, misshaped head.
Vacuoled head: head has empty spaces, affecting DNA quality.
- Midpiece abnormalities:
Thickened midpiece: may contain excess cytoplasm.
Bent midpiece: affects motility.
Irregular mitochondria distribution: lowers energy supply.
- Tail abnormalities:
Short tail: reduces motility.
Coiled tail: sperm cannot swim forward.
Double tail: ineffective swimming.
Absent tail: completely immotile.

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