... earthworms are able to detect the competition by fertilising the eggs that is going to find its sperm, tripling its volume when there is rivalry. This ability is even more refined as they are able to ...
Judge allows sperm to be extracted posthumously despite not having the patient's prior written consent
A new system that sorts high quality sperm from damaged specimens could reduce the transmission of genetic damage during techniques such as IVF.
... picture," said Dr. Mallidis, adding that this is not part of a routine semen analysis. "Sperm RNA was significantly altered, and many of the changes we observed are in RNA transcripts involved in DNA ...
... an optimal BMI (20-25, as classified by WHO), had higher levels of normal sperm than those in the other groups. They also had higher semen volume. There was no significant difference between the four ...
... Queen's University, Belfast, UK, said that, despite the prevailing view that it had little effect on male reproductive function, the Belfast group had shown that diabetes caused DNA damage in sperm.
BARCELONA, Spain (AP) -- Too many fatty foods are dangerous not only to men's waistlines, but to their sperm production....
... four servings per day."
The researchers found evidence that the association between soy food intake and sperm concentrations were stronger in men who were overweight or obese (and 72% of them were). ...
Stories stating that soy products lower sperm count do not tell the whole story, ... . Dr. Chavarro found that “soyfood and soy isoflavone intakes were unrelated to total sperm count, ejaculate volume, ...
... stick, and then slowly cooled before storage in liquid nitrogen.
When frozen sperm are needed for fertilization, they are thawed and incubated in in vitro fertilization media for an hour before ...
... the recent study linking soy to reduced sperm concentration in men, newspaper and Internet headlines ... foods just yet. The research on soy and sperm is in its preliminary stages -- and so far, highly ...
WASHINGTON, Aug. 13 (UPI) -- A ban on European sperm bank imports is causing problems for U.S. women trying to conceive a second child with Nordic donors.
Female salmon choose the father of their offspring from afar, by releasing ovarian fluid that either helps or hinders sperm swiftness, research has found.
... parts of the world.
"The five-year study has greatly contributed to our knowledge of sperm whales, especially those found in the Gulf of Mexico. It's also raised new questions we need to know more ...
CLEVELAND, Sept. 19 (UPI) -- Research from the Cleveland Clinic suggests carrying a cell phone in a pocket while using a hands-free device may hurt a man's sperm quality.