These additional tests may help identify abnormalities such as the presence of sperm antibodies, abnormal hormone levels testosterone , FSH , LH , prolactin , excessive number of white blood cells, and genetic tests for conditions that may affect fertility, such as Klinefelter syndrome , cystic fibrosis , or other chromosomal abnormality. The appearance should be whitish to gray and opalescent. Some men make abnormal antibodies that attack the sperm on the way to the egg, which keeps your partner from getting pregnant. With some techniques, sperm concentration and motility measurements are at least as reliable as current manual methods. It's a fancy way of saying there isn't any cause your doctor can identify for your abnormal or low sperm count. Total motile spermatozoa TMS  or total motile sperm count TMSC  is a combination of sperm count, motility and volume, measuring how many million sperm cells in an entire ejaculate are motile. Already have an account?