In my teens period pain caused me a lot of discomfort as they do to any other girl that age. One home remedy that really gave me relief was fennel water. This is a simple remedy which one of my aunts gave me when heavy flow and pain made me bedridden every month. Here are nine health benefits of fennel that you need to know. How to use it Soak some fennel seeds in a glass of water overnight and drink it early in the morning. This drink helps the uterus to contract regulate the bleeding and reduce the pain.