A listing of amenorrhea medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
Background Endocrine disorders occur when the glands that make hormones do not work properly. Hormones levels that are too high or too low can cause problems such as late or early puberty, irregular periods, and infertility. Environmental factors - including pollution; chemical exposure at home and work; foods; medicines; and …
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