insemination

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New Study Busts a Big Conception Myth

No need to lie still after intra-uterine insemination: researchers

(Newser) - Good news for those trying to conceive: A new study suggests there's no reason for you to continue lying down, immobile, after having sex. There's a widespread belief that lying still after sex helps give the sperm time to get where they need to go, and the same... More »

At Heart of Odd Custody Ruling: a Turkey Baster

Joyce Bruce said because they never had sex, she should be sole parent

(Newser) - In Joyce Bruce's mind, Robert Boardwine was just an old friend who helpfully agreed to donate sperm so she could have a child—no parental rights attached. To Boardwine, however, and now according to a Virginia court, he's entitled to see his young son, CNN reports. The Virginia... More »

Sperm Shows a New Trait: Teamwork

It works together to keep rival male's sperm out of the picture

(Newser) - The sperm’s pursuit of the egg is not the free-for-all we might think it is, but rather a test of teamwork—at least in deer mice. The female of the species tends to have multiple partners, and a new study shows that sperm from one male tend to cooperate... More »

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