It suggested that YELLOW DAPHNE directly destroyed the decidual cells inducing to synthesis and release of endogencus prostaglandin (FG) , which might cause contraction of uterus and softening of the cervix, leading to abcrtion.

• 证明黄芫花抗早孕的机制主要是黄芫花直接作用于蜕膜组织,使蜕膜细胞变性、坏死,引起内源性前列腺素的合成与释放,从而发动宫缩、软化宫颈、导致流产。