Hormonal Cocktails for Two
Discusses the physiological changes in female mammals as they prepare for motherhood. Experiments with pregnant rats by Joseph Terkel and Jay Rosenblatt in 1968; How the steroid hormones estrogen and progesterone are needed for the production of milk; Prolactin and oxytocin hormones; Motherly behavior and motherhood.
Hrdy, S. B., & Carter Porges, C. (1995). Hormonal Cocktails for Two. Natural History, 104(12), 34-34.