List of contributors. Preface. 1. Brain preparations for maternity - adaptive changes in behavioral and neuroendocrine systems during pregnancy and lactation: an overview (J.A. Russell, A.J. Douglas, C.D. Ingram). 2. Physiological roles for the neurosteroid allopregnanolone in the modulation of brain functionduring pregnancy and parturition (A.E. Herbison). 3. Maternity leads to morphological synaptic plasticity in the oxytocin system (D.T. Theodosis, D.A. Poulain). 4. Oxytocin: who needs it? (T.R. Insel, B.S. Gingrich, M.M. Matzuk, L. Young). 5. Endogenous opioid regulation of oxytocin and ACTH secretion during pregnancy and parturition (A.J. Douglas, J.A. Russell). 6. The maternal spinal cord: biochemical and physiological correlates of steroid-activated antinociceptive processes (A.R. Gintzler, N.-J. Liu). 7. Hypothalamic and limbic expression of CRF and vasopressin during lactation: implications for the control of ACTH secretion and stress hyporesponsiveness (C.-D. Walker, D.J. Toufexis, A. Burlet). 8. Peri-partum plasticity within the hypothalamo-pituitary-adrenal axis (S.L. Lightman, R.J. Windle, N. Shanks, C.D. Ingram).9. The neurobiology of stress in human pregnancy: implications for development of the fetal central nervous system (P.D. Wadhwa, C.A. Sandman, T.J. Garite). 10. Alterations in behavioral and neuroendocrine stress coping strategies in pregnant,parturient and lactating rats (I. D. Neumann). 11. The actions of prolactin in the brain during pregnancy and lactation (D.R. Grattan). 12. Regulation of prolactin secretion during pregnancy and lactation (J.L. Voogt, Y. Lee, S. Yang, L. Arbogast). 13. Non-metabolic and metabolic factors causing lactational anestrus: rat models uncoveringthe neuroendocrine mechanism underlying the suckling-induced changes in the mother (H. Tsukamura, K.-I. Maeda). 14. Neuroendocrine changes and fertility in breast-feeding women (A.S. McNeilly). 15. Food intake and leptin during pregnancy and lactation (L.E. Johnstone, T. Higuchi). 16. Relaxing and drinking in pregnant rats (D.J. Hornsby, B.C. Wilson, A.J.S. Summerlee). 17. Neuroendocrine and emotional changes in the post-partum period (C.S. Carter, M. Altemus, G.P. Chrousos). 18. Lactogenic hormone regulation of maternal behavior (P.E. Mann, R.S. Bridges). 19. Neural mediation of nursing and related maternal behaviors (J.M. Stern, J.S. Lonstein). 20. Genomic imprinting and the maternal brain (E.B. Keverne). 21. Like mother, like daughter: evidence for non-genomic transmission of parental behavior and stress responsivity (F. Champagne, M.J. Meaney). 22. Pregnancy and post partum: changes in cognition and mood (J. Galen Buckwalter, D.K. Buckwalter, B.W. Bluestein, F.Z. Stanczyk). 23. Molecular genetic approaches to puerperal psychosis (I. Jones, C. Lendon, N. Coyle, E. Robertson, I. Brockington, N. Craddock). 24. The maternal brain as a model for investigating mental illness (R.C. Kumar†). 25. An appreciation of Professor Ramesh Kumar† (1938-2000) (M. Marks, I.P. Stolerman).