It is done to help evaluate male fertilitywhether for those seeking pregnancy or verifying the success of vasectomy. Your chance of getting your partner pregnant decreases with decreasing sperm counts. Genetic factors can produce low or non-existent motility. Sperm Motility By Laura T What is the medication? Clinical value of sperm morphology for in-vivo fertility: Some men have a condition called a varicocele which is an enlarged bundle of veins in the scrotum like varicose viens Generally varicoceles get worse as men age and they are a leading cause of secondary infertility in men.
The fusion between human sperm and the hamster oocyte egg is nearly identical to that occuring with the human egg.
Sperm and Semen Testing and Evaluation
Close mobile search navigation Article navigation. The male factor in fertility and infertility; an analysis of ejaculate volume in fertile men and in men in infertile marriage. Imagine that you are looking at a large fish tank full of fish and someone asked you to judge how the fish were swimming. His count is normal, the motility is a little lower than usual. Ultimately, antibodies to harmful outsiders develop slowly and reliably over time as a growing human is exposed to more and more "coughs, clods and flu's" from the outside world. Semen analysis is also not an exact science, so it can vary a bit even if you look at the same sample in two different labs at the same time, even if you ran the same sample in the same lab. There are some drawbacks to this method, however.