Pregnancy After Ovarian Transplant in Dogs
Author Information
Author(s): Jennifer K Pullium, Ross Milner, Gary A Tuma
Primary Institution: Emory University School of Medicine
Hypothesis
Can prepubertal ovarian transplantation in dogs lead to successful pregnancies?
Conclusion
The study demonstrates that prepubertal ovarian transplantation in dogs can result in pregnancy, although the pregnancy ultimately ended in embryo resorption.
Supporting Evidence
- All six dogs entered puberty and normal estrus cycles after transplantation.
- Four dogs were bred, and one became pregnant with three embryos detected.
- Post-mortem examination revealed no patent connection between the ovarian bursa and uterine horn in non-pregnant dogs.
Takeaway
Scientists tried transplanting ovaries in young dogs to see if they could have puppies, and one dog got pregnant but lost the babies.
Methodology
Six DLA identical prepubertal dogs underwent ovarian transplantation using either the en bloc method or the cortical strip method, followed by monitoring for estrus and pregnancy.
Potential Biases
Potential bias in the small sample size and the single case of pregnancy observed.
Limitations
Only one pregnancy was achieved, which ended in embryo resorption, and the cause of this resorption is unknown.
Participant Demographics
All participants were prepubertal DLA identical hound littermates.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website