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Sperm length, not just the count, determines fertility

Last Updated: Tuesday, December 18, 2012, 16:06

Men have a better chance of having kids if they have semen teeming with strong-swimmers, but fertility experts now claim that sperm which had tails of a similar length were better able to travel than those with tails of varying lengths.

Male fertility under threat as sperm count drops: Study

Last Updated: Wednesday, December 05, 2012, 14:45

The reproductive health of the average male is in sharp decline as the number and quality of sperms have decreased drastically during last two decades, a new study has warned.

`Sperm length variation may cause infertility`

Last Updated: Wednesday, November 14, 2012, 13:16

Men with a wider variation in sperm length may be at risk of infertility as they have lower concentrations of sperm that could swim well, a new study has found.

How laptop’s heat can frizzle men’s sperm sterile

Last Updated: Wednesday, November 07, 2012, 10:40

A couple from Clanfield, Hampshire tried in vain to start a family until the doctors told the husband that the laptop he always placed on his knees was the reason why his wife was not being able to conceive.

Sperm-producing stem cell jab `may restore male fertility after cancer treatment`

Last Updated: Friday, November 02, 2012, 18:31

An injection of banked sperm-producing stem cells can restore fertility in male primates who become sterile due to the side effects of cancer drugs, researchers say

Protein mutation linked to male infertility

Last Updated: Sunday, October 14, 2012, 13:21

Mutations in a protein called RABL2 shortens sperm tails, crippling their swimming ability (motility) and lowering sperm production - all contributing to male infertility

Reducing sperm’s swimming ability could be key to male contraceptive pill

Last Updated: Sunday, October 07, 2012, 13:04

Australian researchers may have come closer to developing a male contraceptive pill.

Missing protein kick-starts male fertility

Last Updated: Monday, September 24, 2012, 18:10

Adding a missing protein to infertile human sperm can “kick-start” its ability to fertilise an egg

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