to examine this possibility , and to determine changes with labor , we examined interconversions of prostaglandin e2 to prostaglandin f2 alpha , 13,14-dihydro-15-ketoprostaglandin e2 and 13,14-dihydro-15-ketoprostaglandin f2 alpha by dispersed cells of decidua , chorion , and amnion obtained from patients at term elective cesarean section or after spontaneous labor .
C0022864
labor
C0474461
spontaneous labor