Before revision: Oxytocin Opioids and oxytocin are neurochemicals that support the mother-child bond in humans and other mammals.|alt=|200x200px In mammals, oxytocin has been found to be released during childbirth, breastfeeding, sexual stimulation, bonding, and in some cases stress.
After revision: Oxytocin In mammals, oxytocin has been found to be released during childbirth, breastfeeding, sexual stimulation, bonding, and in some cases stress.