INGREDIENTE SECRETO DEL SEMEN

SEMEN´s  SECRET INGREDIENT

Behind the scenes. There's more to this story than "sperm meets egg": A substance in semen may prep females for pregnancy.
 
Credit: Ingram Publishing/Thinkstock

If you're trying to avoid getting pregnant, here's another reason to mistrust the rhythm method of birth control: New research confirms that the fluid in semen, long dismissed as primarily a vehicle for sperm, contains a substance that can trigger ovulation and other pregnancy-supporting hormonal responses in female mammals. The find could lead to new fertility treatments in humans.

ScienceNow: by Emily Underwood on 20 August 2012, 3:04 PM