 If they're not already charting their cycle, that is probably the most powerful thing that you can do. When you chart your biomarkers or the signs of your cycle, this provides a daily diary of what's happening to your hormones on a day to day basis. And there are a number of outstanding methods that you can learn to chart, whether it's Billings or Symptom Thermal or Creighton or Marquette. There are great methods that women can learn to chart their cycle, and this will give you insight