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Related Concept Videos

Menopause01:28

Menopause

Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
Hormonal Control of the Ovarian Cycle01:30

Hormonal Control of the Ovarian Cycle

The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle.  At puberty, GnRH secretion increases in both frequency and...
Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.

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Related Experiment Video

Updated: May 10, 2026

Studies on the Anti-Inflammatory Effect of Xiaoyao Pills in The Treatment of Postmenopausal Osteoporosis in Mice
07:20

Studies on the Anti-Inflammatory Effect of Xiaoyao Pills in The Treatment of Postmenopausal Osteoporosis in Mice

Published on: August 23, 2024

Premenopausal osteoporosis.

Marilyn Lee Cheng1, Vishal Gupta

  • 1Department of Endocrinology, Khoo Teck Puat Hospital, 90 Yishun Central, Singapore.

Indian Journal of Endocrinology and Metabolism
|June 19, 2013
PubMed
Summary
This summary is machine-generated.

Premenopausal osteoporosis, characterized by low bone mass, affects women before menopause. Identifying and managing risk factors like certain drugs and inactivity is crucial for preventing bone loss.

Keywords:
Bone mineral densityosteoporosispremenopausal osteoporosis

Related Experiment Videos

Last Updated: May 10, 2026

Studies on the Anti-Inflammatory Effect of Xiaoyao Pills in The Treatment of Postmenopausal Osteoporosis in Mice
07:20

Studies on the Anti-Inflammatory Effect of Xiaoyao Pills in The Treatment of Postmenopausal Osteoporosis in Mice

Published on: August 23, 2024

Area of Science:

  • Endocrinology
  • Bone Metabolism
  • Women's Health

Background:

  • Osteoporosis is commonly associated with postmenopausal women.
  • However, low bone mass and accelerated bone loss can occur premenurse, leading to premenopausal osteoporosis.
  • This condition necessitates identification and management of specific risk factors.

Purpose of the Study:

  • To highlight the occurrence and risk factors of premenopausal osteoporosis.
  • To emphasize the importance of lifestyle modifications in managing this condition.

Main Methods:

  • Review of existing literature on premenopausal osteoporosis.
  • Identification of key risk factors including pharmacological, hormonal, nutritional, and physical inactivity.
  • Emphasis on the role of lifestyle modifications.

Main Results:

  • Premenopausal osteoporosis is a recognized clinical entity.
  • Risk factors include certain medications, hormonal imbalances, nutritional deficiencies, and physical inactivity.
  • Early identification and intervention are critical.

Conclusions:

  • Premenopausal osteoporosis requires attention beyond the typical postmenopausal demographic.
  • Management strategies should focus on addressing modifiable risk factors.
  • Lifestyle interventions are vital for preventing progressive bone loss in premenopausal women.