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In recent years, there have been concerns about human reproductive disorders. Physiological adaptations are crucial for optimal fetal development during pregnancy. The widespread consumption of caffeine by pregnant women raises questions about its impact on maternal physiology and fetal development. Hence, the objective of this study was to evaluate the histological assessment of placenta development following intrauterine exposure to caffeine in adult Wistar rats using appropriate standard techniques. On each gestational day (GD13, GD15, GD17, and GD19), five (5) animals were sampled from each group and their placentas were harvested for histological assessment. The Maternal weight, Fetal Crown Rump Length, Placental weight, Placental diameter major, Placental diameter minor, and fetal weight were taken on the harvested placenta. Results showed varying alterations in the histomorphology of the placenta ranging from delayed differentiation of glycogen cells, dilated and congested blood vessels, vacuolar degeneration of glycogen cell islands, poor development of the labyrinth zone, and dilated fetal capillaries. In conclusion, there is histomorphological evidence that caffeine administration has deleterious effects on the development of the placenta in Wistar rats.
Osifo et al. (Mon,) studied this question.