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of extract treatment. Vaginal smears prior treatment and during treatment contained epithelial cells consistent with the different phases of estrus in the wistar rat and provided a cyclical pattern indicating that Spondias mombin had no negative effect on the estrous cycle of the wistar rat. Pregnancy and birth rates were favoured with groups A (800mg/kg) and E (control). Average litter sizes in all the groups were not significantly different . The average live birth weight of the neonates measured was observed to be highest for Group A with average live birth weight of 6.27g, followed by Groups B and the control with average live birth weight of 5.83g and 5.50g.The Groups C and D had lower average live birth weights of 4.01g and 4.74g respectively. The group A average weight was significantly high compared with other treatment groups and control (p<0.05). It was concluded that ethanolic extract of Spondia Mombin at 800mg/kg fed
orally before copulation had no anti fertility effect on female wistar rat instead appeared to potentiate gestation parameters but same could not be said for dosages as low as 200mg/kg.