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To clarify the role of endogenous relaxin on sperm motility, relaxin in semen was neutralized by anti relaxin antibody in vitro. 22 semen samples were collected from infertility clinic and tested with Hamilton Thorn 2000 Motility Analyzer to detect sperm motility (%), progressive motility (%), path velocity (micro/sec) and velocity (0～4 grade) at the time of 0, 15, 30 and 60 min respectively. The results showed that sperm motility declined significantly after being incubated with anti relaxin serum. Sperm progressive motility declined more obviously. This experiment revealed that endogenous relaxin could play an important role in the physiological process of maintaining sperm motility, especially progressive motility.
To clarify the role of endogenous relaxin on sperm motility, relaxin in semen was neutralized by anti relaxin antibody in vitro. 22 semen samples were collected from infertility clinic and tested with Hamilton Thorn 2000 Motility Analyzer to detect sperm motility (%), progressive motility (% %), path velocity (micro / sec) and velocity (0-4 grade) at the time of 0, 15, 30 and 60 min respectively. Sperm progressive motility declined more obviously. This experiment revealed that endogenous relaxin could play an important role in the physiological process of maintaining sperm motility, especially progressive motility.