| sperm be | 1.32 | Here is the sperm. | ||
| sperm fertilize | 0.59 | The sperm fertilizes the egg. | ||
| sperm have | 0.46 | And in many cases, selecting sperm has positive medical implications. | ||
| sperm swim | 0.39 | Sperm will swim in a culture medium for a day or more. | ||
| sperm penetrate | 0.33 | The sperm did not penetrate eggs, and conception failed. | ||
| sperm count | 0.26 | They have also been linked to birth defects, cancer and low sperm counts in men, he said. |