Possibly your bedtimes are getting more restless. Maybe your menstrual bleeding sessions have been a little irregular and this is the first time, you are undergoing mood swings in your life. Or you start to speculate that the unexpected warmness you’re sensing is not an indication you’re falling victim to something, but a hot flash. When all of this starts to happen, it’s better to consider whether you might be undergoing the manifestations of low estrogen. And it’s better that you start to identify the causes of estrogen deficiency.