November 15, 2012
Advice to Astronauts: Freeze Your Sperm
Irene Klotz, Discovery News
Researchers have some advice for astronauts planning families after they return from long stays in space -- freeze your eggs or sperm before you go.
Studies on rats haven't sorted out whether it's the radiation, the impacts of microgravity on the hormonal system, or a combination of both that is responsible for damage to testes and ovaries during spaceflight and in ground-based experiments that simulate weightlessness.
TAGGED: eggs, sperm, radiation, reproduction, astronaut