Scientists have shown how Zika infections in mice can lead to testicular damage, and eventually, infertility.
Researchers have identified two DNA variants that raise a mother’s chance of giving birth to non-identical twins to 29 percent.
Researchers have successfully coaxed stem cells into sperm-like cells that can produce healthy offspring.
Blocking calcineurin in male mice makes them infertile reversibly. Could this be the beginnings of male oral contraceptives?