The Visual Guide to
Bovine Reproduction
Abortion: Undetermined Cause

Idiopathic Early Abortion.
Five week old degenerate embryo. Cause unknown.
Drost M (1969)

Idiopathic Early Abortion.
Five week old dead embryo. The amniotic sac is collapsed around the embryo.
Drost M (1969)

First Trimester Abortion.
Abortion at 2.5 months. Cause of abortion is undetermined. Could be iatrogenic, after Prostaglandin F2alpha injection.
Drost M (1969)