April 2020 in “Journal of the Endocrine Society” A 14-year-old girl with no menstrual period was diagnosed with Swyer Syndrome and treated for a related cancer risk.
November 2018 in “International Journal of Current Pharmaceutical Research” PCOS is a hormonal disorder causing symptoms like irregular periods and acne, and increases the risk of diabetes and heart disease.
Many women in Recife lack understanding of the climacteric period, needing better education and care.
1947 citations
,
September 1995 in “New England journal of medicine/The New England journal of medicine” PCOS is a common hormonal disorder causing irregular periods and increased hair growth, linked to insulin resistance and long-term health issues.
30 citations
,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
2 citations
,
June 2007 in “PubMed” Alopecia in young calves is linked to longer illness periods and ruminal drinking, but the exact cause is unclear.
March 2026 in “International Journal of Reproduction Contraception Obstetrics and Gynecology” Homeopathy helped a 22-year-old woman with PCOS have regular periods.
February 2025 in “International Journal of Pharmaceutical Research and Applications” PCOS is a common disorder in women causing symptoms like irregular periods and weight gain, with management possible through lifestyle changes and medication.
December 2022 in “OBG Management” The conclusion is to diagnose PCOS with just hyperandrogenism and irregular periods, and treat with lifestyle changes and basic medications.
July 2021 in “Journal of medical pharmaceutical and allied sciences” Amenorrhea, or missing periods, is caused by various factors and is treated based on the specific cause.
51 citations
,
May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
9 citations
,
December 2008 Men with untreated male pattern hair loss continue to lose hair over a 5-year period.
7 citations
,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
Melatonin reduces BMP2 gene expression in goat hair follicles during the resting period.
21 citations
,
September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
2 citations
,
September 2021 in “Universal Journal of Pharmaceutical Research” PCOS is linked to hormone disorders and issues like infertility and irregular periods.
1 citations
,
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers can now observe live cell processes in the Drosophila midgut for extended periods.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” Hirsute women with ovarian-sourced hirsutism are more likely to have irregular periods, with higher BMI and altered hormone ratios.
135 citations
,
August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
1 citations
,
August 2019 in “Research Square (Research Square)” Cashmere goats have a hair growth cycle with specific genes regulating growth, regression, and resting periods.
January 2025 in “International Journal of Pharmaceutical Research and Applications” PCOS causes hormonal imbalance, leading to symptoms like irregular periods and infertility.
45 citations
,
January 2006 in “Endocrine journal” To diagnose Polycystic Ovarian Syndrome, two out of three signs—irregular periods, high male hormone levels, or cysts on the ovaries—are needed.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
12 citations
,
October 2004 in “Expert Opinion on Investigational Drugs” Treatments for Polycystic Ovary Syndrome (PCOS) focus on reducing symptoms, restoring regular periods, and helping with pregnancy. Common treatments include hormone suppressors, fertility drugs, and insulin-sensitising agents.
9 citations
,
February 2007 in “JAMA” PCOS is a common inherited condition causing cysts, irregular periods, and increased diabetes risk in women.
6 citations
,
December 2017 in “Journal of Medicine” PCOS is common in women, causing symptoms like irregular periods and acne, and early treatment is important.
2 citations
,
January 1970 in “Asian journal of pharmaceutical research and development” PCOS is a hormonal disorder affecting many women, leading to symptoms like acne and irregular periods, and increasing the risk of diabetes and heart disease.
February 2026 in “Indian Journal of Community Health” PCOS affects 21.25% of female doctors studied, with irregular periods being common, highlighting the need for better awareness and management.
Women with acne and hair loss, even if they have regular periods, often have polycystic ovary syndrome.
December 2022 in “International Journal of Health Science” High levels of male hormones in women with PCOS can lead to fertility issues and symptoms like irregular periods, hair growth, acne, and hair loss; lifestyle changes are recommended for management.