regression.
The result of this study shows that pinneaple extract (ananas comosus L. Merr) can increase the uterus contraction separate from female guinea pig (Cavia porcellus). From the result of one way ANOVA test, shows that there is any difference of given pinneaple extract (ananas comosus L. Merr) that means (significantly) between treatment toward uterus contraction separate from female guinea pig (Cavia porcellus). The pinneaple extract (ananas comosus L. Merr) has significant influence in increasing the contraction in uterus separate from female guinea pig (Cavia porcellus), the rate of influence is 85.9%.