AFTERBIRTH By N., Pam M.S. - April 7, 2013 noun. 3rd and last phase of childbirth, wherein the placenta and other birth membranes are delivered. AFTERBIRTH: "Most mothers in developed countries choose not to see the afterbirth." Related Psychology Terms BREECH BIRTH EQUILIBRIUM POTENTIAL PREGNANCY ORDER EFFECT BIRTH INJURY PREMATURITY TETRODOTOXIN (TTX) ESTRADIOL THIOPENTAL ANAL STAGE Cite this page: N., Pam M.S., "AFTERBIRTH," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/afterbirth/ (accessed May 10, 2021).