It is already proved that menstrual cycles are genetically and hormonally determined. What does it mean practically? It means in most cases and in many families the type of menstrual cycle, the duration of the menstruation, the fertility, the age of beginning of the period and the age of menopause are very similar in all female generations starting from grand-grandmother to grand-mother to mother and to grand- daughters.
Do you want to know how and when your period will start– just speak with your grand-mother. Do you want to know if you are going to have intensive periods – just ask your mother. Do you want to discover your fertility – just collect the information from your genealogical tree (female part). You will be pleased and surprised how much you can discover from reproductive life of your grand-mother and your mother.
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