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amenorrhea Clinical Trials

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.

Found 16 clinical trials
F For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)

Inherited Reproductive Disorders

Background During puberty, children begin to develop into adults. Problems with the hormones released during puberty can affect the reproductive system. Some people have low hormone levels that severely delay or prevent puberty. Others start puberty abnormally early. Other people may have a normal puberty but develop reproductive disorders later …

6 - 120 years of age All Phase N/A

Hypothalamic Amenorrhea as a Fertility Status Marker for Cardiovascular Health (ARCH)

Hypothalamic amenorrhea (HA) occurs during reproductive years and results in stopped menstrual cycles and infertility which can be prolonged from months to years and is characterized by varying combinations of psychosocial stress, anxiety, high levels of physical activity, and/or weight loss. Data from our group indicates that one-third of women …

18 - 40 years of age Female Phase N/A
M Maria Cristina Meriggiola, MD, PhD

Retrospective Observational Evaluation of the Bone Mineral Density Outcome in Young Women With Amenorrhea

The study aims to evaluate the outcomes of different estrogen therapy regimens in patients with amenorrhea who face prolonged periods of hypoestrogenism. The primary objective is to compare the outcomes on bone mass of different therapeutic regimens and identify more favorable. For this purpose, densitometry parameters such as BMD, T-score …

15 - 39 years of age Female Phase N/A
E Elena Fernández Durán

Body Fat as Determinant of Female Gonadal Dysfunction

Reproduction requires from women enough energy depots to warrant an adequate nutritional supply to the fetus. Hence, adipose tissue is able to communicate with female hypothalamic-pituitary-ovary axis. The hypothesis of the project is that abnormalities in the quantity (absolute and relative to lean body mass), distribution and/or function of adipose …

18 - 40 years of age Female Phase N/A

Ovarian Morphology in Girls

Establishment of regular menstrual cycles is a key component of reproductive maturation and a recognized vital sign for health and well-being. Irregular menstrual cycles are especially common for the first 2-3 years after an adolescent's first menstrual period (i.e., menarche), which delays the identification and diagnosis of early reproductive disturbances …

9 - 17 years of age Female Phase N/A
N NIEHS Join A Study Recruitment Group

Observation of Environment and Reproductive-Endocrine Effects

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 …

8 - 99 years of age All Phase N/A

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