Posts Tagged ‘sex selection’

Why O “Y” Has My Sperm Gone: Male Infertility

January 5, 2012

Did you know that a man’s sperm production is tied to his ability to have male offspring? When sperm counts decrease, so do the Y chromosomes and it is the Y chromosome that is responsible for siring a son.

In the past it was always thought that having an X chromosome on the sperm made girls and Y made boys and it was just a mere 50-50 coin flip. Now a recent study from Stanford University has demonstrated that men having a low sperm count, or less than five million sperm per cubic centimeter, had fewer Y chromosome and thus less likely to have male offspring.

The next study is going to look at whether treatments that are used to increase sperm counts may affect the ratio of X to Y chromosomes.

Will keep you posted on this piece of important information!