Abnormal Heads

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The page below is a sample from the LabCE course Semen Analysis (retired 8/30/2024). Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Abnormal Heads

The image below represents several abnormal sperm head shapes that may potentially be observed on a stained semen smear.
A: Double head
B: Amorphous head
C: Round head
D: Enlarged head
E: Tapered head
F: Pinhead
G: Constricted head