by torsion of the uterus in pregnant rats. We used 35 pregnant rats at gestational age 18
days. The animals were randomized into five groups. Group 1 was anesthetized only. Group
2 was subjected to experimental uterine torsion of 360° and the torsion was corrected after 6
h. Group 3 was subjected to uterine torsion of 360°, the torsion was corrected after 6 h and
melatonin was administered at the time of correction. Group 4 rats were subjected to 360º …