Sperm morphology is a critical factor in male fertility. This illustration highlights common structural defects that hinder fertilization. ​Tail Defects: Anomalies like Broken, Short, Twisted, or Double Tails severely impact motility, preventing the sperm from swimming effectively to the egg. ​Neck & Attachment Issues: Defects such as Twisted, Thinned, or Thick Necks, along with Asymmetric Attachment, cause erratic movement or make the head fragile and prone to detaching. ​Head Abnormalities: Th