News tagged with sperm concentrations

First 3-D movies of living sperm

To improve their chances of success, in vitro fertilization (IVF) clinics need to assess the viability of the sperm they use. Now doctors may soon have a new technique to help them sort the good sperm cells ...

dateFeb 11, 2014 in Cell & Microbiology
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Sperm can count

The speed at which the calcium concentration in the cell changes controls the swimming behavior of sperm. They can calculate the calcium dynamics and react accordingly.

dateMar 07, 2012 in Plants & Animals
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Exposure to BPA associated with reduced semen quality

Increasing urine BPA (Bisphenol-A) level was significantly associated with decreased sperm concentration, decreased total sperm count, decreased sperm vitality and decreased sperm motility, according to a Kaiser Permanente ...

dateOct 28, 2010 in Health
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Sperm may be harmed by exposure to BPA, study suggests

(PhysOrg.com) -- In one of the first human studies of its kind, researchers have found that urinary concentrations of the controversial chemical Bisphenol A, or BPA, may be related to decreased sperm quality and sperm concentration.

dateAug 03, 2010 in Health
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