Pregnancy tips More On Stress In Pregnancy

Stress in pregnancy can lead to conditions in the baby like fibromyalgia when they grow up.
Here is another article about PTSD and how it may affect babies born to women who have suffered trauma:

Stressed Babies

From the article:

She is now the mother of two. She says her older son seems like a normal little boy, but notes that he "has fears" and is "definitely more risk-averse" than his younger brother. Though she's no doctor, and can't tell if her son's behavior is just what she would call "first child syndrome" or actually associated with her own trauma, her observation is not unfounded.

A recent study based on a group of anonymous women (not including Tung) who were all pregnant and near the Twin Towers on the day of the attacks, suggests that women who developed PTSD, may have passed on a chemical marker for the disorder to their unborn children.

"What this means for children whose mothers have PTSD, is that they may also be at risk for having PTSD in response to a traumatic event that would occur in their own lifetime," says the study's lead researcher, Bronx Veterans Affairs Medical Center psychiatrist Rachel Yehuda.