Evidence supporting the use of: Total Fat
For the health condition: Amenorrhea

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Total fat intake is scientifically validated as an important dietary factor in the management of amenorrhea, particularly functional hypothalamic amenorrhea (FHA) often seen in athletes, individuals with eating disorders, or those experiencing significant weight loss. Amenorrhea in these cases is frequently associated with low energy availability and insufficient intake of dietary fat, which can disrupt normal reproductive hormone production, leading to menstrual irregularities or cessation. Dietary fat is crucial for the synthesis of steroid hormones, including estrogen and progesterone, which are necessary for normal menstrual cycles. Multiple studies have indicated that very low-fat diets (<20% of total energy from fat) are associated with an increased risk of menstrual disturbances. Increasing total fat intake as part of restoring overall caloric and nutrient sufficiency is a standard recommendation in the treatment of FHA and related forms of amenorrhea. Clinical guidelines and expert consensus support the role of adequate dietary fat (generally at least 20-30% of total caloric intake) in re-establishing normal menstrual function. It is important to note that while increasing total fat itself may not be a standalone treatment, it is a necessary component of comprehensive nutritional rehabilitation for amenorrhea associated with low energy availability. Thus, the support for total fat intake in this context is based on a substantial body of scientific literature and clinical practice.

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