Stressful situations in early pregnancy can lead to the birth of babies who are underweight or born too early - Reuters (article link)

- Premature birth is the single largest contributing factor in infant deaths in the developing world.
- The risks of premature births increased two-fold in women who were exposed to severe life events during their first and second trimesters, a China study.

Stress early in pregnancy increases risks to babies
http://www.reuters.com/article/idUSTRE6466BA20100507