Impregnation via the GI tract in a patient with a distal vagina (1988) [pdf]
pdfs.semanticscholar.org
pdfs.semanticscholar.org
1. The woman did not have a full vagina leading to the uterus, but instead had more of a 2" dimple.
2. The woman was practicing oral sex.
3. She was stabbed in the abdomen.
4. 9 months later a child was delivered by c-section.
5. At 5 years, the child had a remarkable resemblance to the father.
The theory is:
1. Saliva has a high pH which would allow the semen to survive.
2. Her stomach contents were empty when they were repairing her stab wounds, so her stomach might not have been producing acid.
3. The stab wound allowed the semen to flow to her uterus, impregnating her.
https://en.m.wikisource.org/wiki/Attention_Gynaecologists!_—....
It’s generally considered to be farcical, but I’ve seen it passed off as real.