1.   Typically a woman experiences either postpartum blues, caused by hormonal changes, or postpartum depression, caused by a chemical imbalance.

2.   Among the evidence supporting a biological trigger are recent studies showing that postpartum depression is as common in rural Africa as it is in the industrialized West.

3.   Among women who have had one postpartum depression, the chances increase sevenfold that it will happen in a succeeding pregnancy.

4.   And she gave the new mother, who says she fell into a slight postpartum depression, the chance to talk about it.

5.   And women who have had postpartum depression in an earlier pregnancy also are at greater risk in subsequent births.

6.   Another New York State law requires hospitals to provide new mothers with information about postpartum depression.

7.   Another option is a procedure called an estrogen taper to prevent a sharp drop in hormone levels immediately after the baby is born, which can trigger postpartum depression.

8.   At the other end of the spectrum is postpartum depression, which intensifies after two weeks.

9.   Both organizations maintain lists of professionals who specialize in treating postpartum depression.

10.   Both women had been suicidal and hospitalized for postpartum depression and psychosis.