Hormonal Imbalances in PCOS: Role of Estrogen, Progesterone, and Androgens
Important Update: Polycystic Ovary Syndrome (PCOS) is now officially known as Polyendocrine Metabolic Ovarian Syndrome (PMOS), following an international global consensus published in The Lancet (May 12, 2026). The updated name better reflects that the condition affects multiple hormone systems, metabolism, and overall health, rather than just the ovaries. While the terminology is changing, PCOS and PMOS refer to the same condition, and there is no change to diagnosis, treatment, or ongoing care. During the transition period, both terms may be used interchangeably in medical literature and healthcare settings.
Polycystic ovary syndrome (PCOS) is a complex endocrine disorder that affects women of reproductive age. It is characterized by hormonal imbalances that have significant implications for reproductive health, metabolism, and overall well-being. In this article, we will explore in detail the role of estrogen, progesterone, and androgens in PCOS (also PMOS), shedding light on their impact on the development and progression of the condition.
Hormonal Imbalance in PCOS (also PMOS)
Estrogen Imbalance:
Estrogen, a key female hormone, plays a vital role in regulating the menstrual cycle and maintaining reproductive health. In PCOS, there is often an increase in estrogen levels due to multiple factors. One of the primary reasons for elevated estrogen in PCOS (also PMOS) is the excessive production of estrogen by the ovaries. Additionally, impaired metabolism and disrupted hormonal feedback mechanisms contribute to higher estrogen levels. The sustained elevation of estrogen can lead to irregular menstrual cycles and anovulation (lack of ovulation). Furthermore, persistently high levels of estrogen in PCOS (also PMOS) are associated with an increased risk of endometrial hyperplasia and cancer.
Progesterone Deficiency:
Progesterone, known as the "pregnancy hormone," is essential for preparing the uterus for implantation and supporting pregnancy. In PCOS (also PMOS), there is often a deficiency of progesterone due to irregular or absent ovulation. This leads to a condition called luteal phase defect, where inadequate levels of progesterone are produced during the second half of the menstrual cycle. Progesterone deficiency contributes to menstrual irregularities, difficulty conceiving, and an increased risk of miscarriage in women with PCOS (also PMOS). It is important to address this deficiency to restore hormonal balance and improve reproductive outcomes.
Role of Androgens:
Androgens, including testosterone, are a group of hormones typically present in both males and females. However, women with PCOS (also PMOS) often have higher levels of androgens, particularly testosterone. The elevated androgens disrupt the delicate balance of hormones in the body and contribute to the development of PCOS (also PMOS) hormonal imbalance symptoms in females. Excess androgens can disrupt follicular development, leading to the formation of ovarian cysts and irregular menstrual cycles. Additionally, high levels of androgens can manifest as hirsutism (excessive hair growth), acne, and male-pattern hair loss. Managing androgen levels is crucial for controlling and hormonal imbalance symptoms in females, and improving the overall well-being of women with PCOS (also PMOS).
Managing Hormonal Imbalance in PCOS (also PMOS)
Understanding the interplay of these hormones is crucial for managing PCOS effectively. Hormonal imbalances in PCOS (also PMOS) can be addressed through various hormonal imbalance treatment approaches, including lifestyle modifications, medication, and hormonal therapies. Lifestyle changes such as maintaining a healthy weight, engaging in regular physical activity, and following a balanced diet can help improve hormonal balance.
Medications and Hormonal Therapies for PCOS (also PMOS)
Medications like oral contraceptives, anti-androgens, and insulin-sensitizing agents may be prescribed to manage specific symptoms and restore hormonal equilibrium. Hormonal therapies, such as ovulation induction agents, can assist in regulating the menstrual cycle and enhancing fertility in women desiring pregnancy.
By restoring hormonal balance, healthcare professionals can help alleviate symptoms, regulate menstrual cycles, improve fertility naturally, and reduce long-term health risks associated with PCOS (also PMOS). It is essential to personalize hormonal imbalance treatment plans based on individual needs, considering the specific hormonal imbalances present in each woman with PCOS (also PMOS). Ongoing research continues to deepen our understanding of the intricate hormonal mechanisms in PCOS, paving the way for more targeted interventions to optimize patient care and outcomes.
Conclusion
In summary, hormonal imbalances, including elevated estrogen, progesterone deficiency, and increased androgen levels, play a crucial role in the development and progression of PCOS (also PMOS). These imbalances contribute to irregular menstrual cycles, anovulation, ovarian cyst formation, and associated symptoms such as hirsutism and acne. Managing hormonal imbalances in PCOS (also PMOS) through lifestyle modifications, medication, and hormonal therapies is key to improving symptoms, regulating menstrual cycles, and enhancing fertility. Ongoing research aims to advance our understanding of these hormonal mechanisms, leading to more targeted interventions and improved patient care. By addressing hormonal imbalances, healthcare professionals can help women with PCOS achieve better reproductive health and overall well-being.
Expert PCOS/PMOS Care at Aster DM Healthcare
The AsterDM team comprises experienced healthcare professionals specializing in the management and treatment of PCOS. With expertise in endocrinology, gynaecology, nutrition, and other relevant fields, they offer comprehensive care to women with PCOS. The team focuses on individualized treatment plans, addressing hormonal balance, lifestyle modifications, and evidence-based therapies. By staying abreast of the latest research, the AsterDM team ensures patients receive optimal care. Our patient-centred approach aims to empower women with PCOS (also PMOS) to lead healthy, fulfilling lives.