Puerperal psychosis was found to be the 1st illness for 13 (36%) of a
series of 36 mothers with bipolar affective disorder. The risk of recu
rrence with childbirth in those with established bipolar disorder was
found to be 25-40%. Those women who survived childbirth without illnes
s but then became ill ata later time reported a worse illness course.
Recent fatherhood was not a precipitant of 1st affective illness for a
ny of the 28 bipolar men.