The aim of this observational study is to investigate the impact of body composition on the absorption, distribution, and metabolism of drugs. The primary question it seeks to answer is: Does body composition affect the absorption, distribution, and metabolism of drugs? Healthy adult postmenopausal female subjects participating in the quality and efficacy consistency evaluation project for the generic progesterone vaginal sustained-release gel conducted at our hospital will undergo body composition analysis. By combining pharmacokinetic parameters and adverse drug reactions, the study will analyze differences in the metabolism of progesterone vaginal sustained-release gel under various body composition conditions. During the Phase I clinical trial, under the guidance of the researchers, subjects will use the non-invasive InBody S10 body composition analyzer to obtain body composition data, including but not limited to inorganic salts, muscle mass, lean body mass, body weight, and body fat percentage.
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Fat percentage (%)
Timeframe: The day before using drug，and 1 to 4 days after using drug
Weight
Timeframe: The day before using drug，and 1 to 4 days after using drug
Waist circumference
Timeframe: The day before using drug，and 1 to 4 days after using drug