The SciencesMarch 1, 1999
The Timing of Birth
A hormone unexpectedly found in the human placenta turns out to influence the timing of delivery. This and related findings could yield much needed ways to prevent premature labor
Stories by Roger Smith
The Timing of Birth
A hormone unexpectedly found in the human placenta turns out to influence the timing of delivery. This and related findings could yield much needed ways to prevent premature labor