GESTATION PERIOD By N., Pam M.S. - May 11, 2013 This term applies to the period of pregnancy where an offspring is carried by its mother. Ranges from 20 days for a shrew to 22 months for the elephant. GESTATION PERIOD: "The gestation period of humans is 9 calendar months." Related Psychology Terms NEONATAL PERIOD POSTPARTUM PERIOD SCHIZOPHRENIFORM DISORDER PARENT-OFFSPRING CONFLICT LONG-TERM THERAPY ONE-WORD STAGE AUTOSOMAL DOMINANT PRIMATE CALENDAR METHOD OF BIRTH CONTROL MORNING SICKNESS Cite this page: N., Pam M.S., "GESTATION PERIOD," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/gestation-period/ (accessed January 26, 2021).