Embryology studies prenatal development from conception to birth. Gestation period is measured from conception to birth. Embryogenesis occurs in first eight weeks after fertilization
Cryptorchidism occurs when testicles fail to descend into scrotum. Most common in Percherons, Saddlebreds, Quarter horses, ponies, and crossbreds. Thoroughbreds have lowest prevalence. Immediate health effects are minimal, usually painless
Dinoprostone is a naturally occurring prostaglandin used for labor induction. Used to terminate pregnancy and keep ductus arteriosus open in newborns. Available as vaginal gel (Prepidil) or vaginal insert (Cervidil). Approved by FDA in 1977 and listed as essential medicine