Ionic compounds. Ionic bonds form when a metal reacts with a non-metal. Metals form positive ions; non-metals form negative ions. Ionic bonds are the electrostatic [electrostatic: An electrostatic force is generated by differences in electric charge (ie positive and negative) between two particles.
Red raspberry leaf tea is also used for painful menstrual cramps, as well as heavy periods. The chemicals in the red raspberry leaf help relax blood vessels and cause muscles to relax or contract.
Use chamomile. This is a plant full of benefits, between them is the capacity to diminish menstrual cramps and to make your period start. It will also help reduce inflammation during these days. You can take three cups of chamomile tea a day, always strong.