for you ladies wild yam herb is used as an all natural birth control.and works on the female Glandular System. My wife uses this herb and she loves it.

"Wild Yam [Glandular] has been used for centuries by women seeking nutritional support and optimal balance for the glandular system. Wild yam contains diosgenin, a steroidal saponin that is used commercially to produce steroid hormones. Wild yam is used widely to address menopausal concerns".