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Abnormal reproductive system morphology
- ... contains sperm, the cells made in the male reproductive system that include the genetic material needed to make ... A vasectomy is a surgery on the male reproductive system that's done for birth control . To prevent pregnancy , ... move forward to fertilize an egg. Sperm shape (morphology) is the number of sperm that have a normal shape. Sperm with abnormal shapes may not be able to fertilize an ...