Vital Signs - Robin Cook

The bestselling "master of the medical thriller" (The New York Times)tells a harrowing tale of the lengths one doctor will go to in order to conceive—and the conspiracy that may be at the root of her struggles.
Dr. Marissa Blumenthal's dream of becoming pregnant has turned into an obsession. A successful pediatrician, she will try any scientific method available to conceive—until the horrible secrets of an urban clinic erupt in a nightmare of staggering proportions.
As more women reveal their similar struggles and as suspicious deaths begin to look like murder, it's up to Marissa to uncover the truth behind her plight, no matter how dangerous a mission that might be.
"Controversial... believable and chilling."—Houston Chronicle