The etiology of cryptic pregnancy has not been fully elucidated and there exist misconceptions about this phenomenon in our contemporary Nigerian society. This case presents the first case report of cryptic pregnancy in sub-Saharan Africa. A case of a 19 year old overweight female student who presented to the sick bay at 01: 30 hours with a 3-day history of lower back pain, abdominal discomfort and constipation. At the sick bay the general practitioner on call asked if she was pregnant and she vehemently said no, recounting that she sees her menstruation regularly. Abdominal examination however, revealed a gravid uterus of about 36 weeks and vaginal examination showed a fully dilated cervix. She was surprised, terrified and confused and only remembered having unprotected sexual intercourse many months earlier. Barely two hours later, she gave birth via spontaneous vaginal delivery, to a live female infant at 03: 14 hours. This case emphasizes the need for general practitioners and specialists in sub-Saharan Africa to be aware of the phenomenon of cryptic pregnancy, which involves women not being conscious of their gravid state until final weeks of gestation or at delivery, to reduce neonatal and maternal complications.