Teen Girl With No Vagina Pregnant by Sperm Survival from Oral Sex - ABC News A strange tale of oral sex, a knife fight and the most unlikely of pregnancies recently brought to light by the blogosphere has doctors touting the triumphant persistence of sperm. A woman with a birth defect that left her without a vagina still got pregnant after she was stabbed shortly following oral sex with her partner. Doctors say the bittersweet story shows the incredible survival of sperm. In 1988, a 15-year-old girl living in the small southern African nation of Lesotho came to local doctors with all the symptoms of a woman in labor. But the doctors were quickly puzzled because, upon examination, she didn't have a vagina. "Inspection of the vulva showed no vagina, only a shallow skin dimple," so doctors delivered a healthy baby boy via Caesarean, the authors wrote in a case report published in the British Journal of Obstetrics and Gynaecology.