Science news articles about 'male births'

... 2-4 percent of full-term male births. "Although cryptorchidism is often considered a ... years (through January 2008), and 300 male children who did not have cryptorchidism as controls. The researchers ...

... in the conceptual stages, is the latest in a growing number of experimental male birth-control methods—including sperm plugs, sperm dissolvers and heat-inducing gels—that don’t ...

... an advance toward a long-sought new male contraceptive, researchers in China have identified key ... that suppress production of sperm and could become new targets for a future male birth control pill.

... an advance toward a long-sought new male contraceptive, researchers in China have identified key ... of sperm and could become new targets for a future male birth control pill. Their study is published in ...

CHICAGO, May 25 (UPI) -- Experts say they suspect industrial pollutants are one possible cause of a statistical downturn in the number of boys being born in the United States.