Placental Puzzle | Science News



Support credible science journalism.

Subscribe to Science News today.


Placental Puzzle

Do captured viral genes make human pregnancies possible?

5:33pm, October 28, 2002

The bond between a mom and her newborn is strong, but it doesn't compare to the connection formed during pregnancy. Soon after conception, the fetus literally invades the woman's uterine wall, acting like a parasite that steals nutrients and oxygen from its host.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content