The direct analysis of a schizophrenic woman in her thirties, a postpartum case, revealed fantasy structures which are considered the basic factor in postpartum disorders. To the patient, whose husband had replaced her mother in her life, intercourse meant being full of semen and milk; her vagina was a sucking mouth and being pregnant meant being filled with milk. The childbirth represented a sudden severe loss of the deep oral gratification, and the oral trauma precipitated the patient's psychotic reactions.