Researchers at Oxford University found out that competition breeds a better ejaculate in male fruit flies.
Conservative activists gathered in Paris streets to protest a bill that would allow single and lesbian women to receive fertility treatment. The protesters have argued that children need a father figure.
Scientists have successfully fertilized eggs taken from two female northern white rhinos, a year after the last remaining male died. The procedure has raised hopes about saving the highly endangered animals.
It's not just the mother's age that matters. According to new research, men's biological clocks are ticking, too. Older fathers may put their infants — and partners — at risk for pregnancy complications.
The world's first test-tube baby was born in 1978. Four decades later, gynecologist Wolfgang Würfel says there are still open questions about the limits of in vitro fertilization, particularly in Germany.
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