First part of semen most effective for conception

The fluid squirted during ejaculation is composed of various fragments and the sperm in the first fragment are more effective in fertilising the eggs and in embryonic development than those lagging behind, says a study.

Dad's sperm may help predict kid's autism risk

A team of researchers has suggested that paternal sperm may hold clues to autism.

New tech to select healthiest sperm to boost IVF

Researchers are adapting a new technology to select the healthiest and best swimming sperm from a sample of semen to increase success rates for in-vitro-fertilisation (IVF).

'Sparks fly' when egg meets sperm

A new study has revealed that a fertilized mammalian egg releases from its surface billions of zinc atoms in "zinc sparks," one wave after another.

Longer sperm better at fertilising eggs: Study

Long sperm is more likely to reach and fertilise eggs compared to short sperm, even if the short sperm is given a 'head start', a new study on birds has found.

Review of studies confirms sperm quality declines with age

A review of 90 studies has confirmed that men's sperm quality declines with age, likely lowering their fertility.

Moderate alcohol intake could reduce sperm quality

Beware men, especially if you plan to father a child soon. A new research has now linked alcohol consumption to poor quality of sperm.

Synthetic sperm protein can help increase chances of successful IVF

A new study has revealed that a synthetic version of a sperm protein satisfies criteria of genuine sperm-borne oocyte activation for IVF, raising the chances of it being a success.

Synthetic sperm protein to treat male infertility

In a new hope for couples affected by infertility, researchers have come up with a method for treating male infertility using a synthetic version of the sperm-originated protein known as PAWP.

Older sperm donors as good as young: Study

Sperm donors up to the age of 45 are just as likely to conceive children as those in their 20s, new research led by Indian-origin doctors has found.

New research solves plant sex mystery

In a breakthrough, a team of biologists has solved a mystery surrounding how plants have sex.

Birth control pill for males will have to wait

Much research is underway to find a safe and effective male contraceptive pill. Though it was speculated that a male contraceptive pill is just around the corner but now people will have to wait more. Researchers have found that hormonal male contraception via testosterone does not stop the production of healthy sperm.

Now, microrobots inspired by sperm

Researchers have developed sperm-inspired microrobots, which can be controlled by oscillating weak magnetic fields.

Study reveals stress degrades sperm quality

A new study has revealed that psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg.

When young sperm are not just sperm anymore

You know that in your first hours of life, cells in the nascent embryo mature into skin, heart, gut, or any type of cell - called totipotency.

World`s oldest sperm discovered in Australia

Scientists have discovered the world`s oldest and best-preserved sperm from tiny shrimps, measuring a massive 1.3 millimetres and dating back to 17 million years in Australia.

Stem cells to power your sperm

Men struggling with infertility could breathe a sigh of relief as scientists have now successfully coaxed stem cells made from the skin cells of infertile men into producing sperm cell precursors that could eventually lead to healthy sperm production.

Oh baby! Scientists find protein that lets egg and sperm hook up

Fertilization takes place when an egg cell and a sperm cell recognize one another and fuse to form an embryo. But how they recognize each other in order to hook up had remained a mystery.

Sperm may deliver stress too!

Your dad did not just pass his qualities via genes in you. He may have actually passed some stress too!

US fertility clinic mix-up brings calls, questions

The suspect is dead, the fertility clinic where he reportedly replaced a customer`s sperm with his own no longer operates, and the clinic left no records that might show the extent of the scandal, the University of Utah said today.