The Visual Guide to
Bovine Reproduction
- Normal Calving
- Multiple Births
- Calving Facilities
- Pelvic Dimensions
- Calving Problems
- True Breech
- Sizing the Fetus
- Calving Injuries
- Cesarean Section
- Fetotomy
- Pelvic Splitting
- Episiotomy
Obstetrics: Multiple Births

Quadruplets.
Vaginal delivery of term quadruplets. The pregnancy was the result of spontaneous quadruple ovulation, the odds of which have been reported as 1/700,000.
Karle M (2012)

Quadruplets Caused a Ruptured Prepubic Tendon.
Live quadruplets (2 bulls, 2 heifers), weighing 14-16 kg each, were delivered by cesarean section in a cow with a ruptured prepubic tendon. The two heifer calves were overt freemartins.
Drost M (1974)