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Olga Niwczyk

Explore the profile of Olga Niwczyk including associated specialties, affiliations and a list of published articles. Areas
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Articles 9
Citations 61
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Recent Articles
1.
Meczekalski B, Niwczyk O, Battipaglia C, Troia L, Kostrzak A, Bala G, et al.
Endocrine . 2024 Feb; 85(1):458. PMID: 38367148
No abstract available.
2.
Meczekalski B, Niwczyk O, Battipaglia C, Troia L, Kostrzak A, Bala G, et al.
Endocrine . 2023 Dec; 84(3):769-785. PMID: 38062345
Functional hypothalamic amenorrhea (FHA) is one of the most common causes of both primary and secondary amenorrhea in women of reproductive age. It is characterized by chronic anovulation and the...
3.
Szczesnowicz A, Szeliga A, Niwczyk O, Bala G, Meczekalski B
J Clin Med . 2023 Sep; 12(18). PMID: 37762856
Polycystic ovary syndrome (PCOS) is the most prevalent endocrinopathy in women of reproductive age. This condition is characterized by hyperandrogenism and either oligo- or anovulation. PCOS patients often present comorbidities...
4.
Meczekalski B, Niwczyk O, Bala G, Szeliga A
J Clin Med . 2023 Jun; 12(12). PMID: 37373735
Premature ovarian insufficiency is a reproductive endocrine disorder characterized by the cessation of ovarian function before the age of 40 years. Although the etiopathology of POI remains largely unknown, certain...
5.
Niwczyk O, Grymowicz M, Szczesnowicz A, Hajbos M, Kostrzak A, Budzik M, et al.
Int J Mol Sci . 2023 Apr; 24(7). PMID: 37047811
The bony skeleton, as a structural foundation for the human body, is essential in providing mechanical function and movement. The human skeleton is a highly specialized and dynamic organ that...
6.
Meczekalski B, Niwczyk O, Kostrzak A, Maciejewska-Jeske M, Bala G, Szeliga A
J Clin Med . 2023 Feb; 12(3). PMID: 36769869
Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women of reproductive age. A diagnosis of PCOS is established when a patient exhibits two of three...
7.
Stefanowski B, Kucharski M, Szeliga A, Snopek M, Kostrzak A, Smolarczyk R, et al.
Maturitas . 2022 Dec; 168:53-61. PMID: 36493633
Worldwide, cognitive decline and dementia are becoming one of the biggest challenges for public health. The decline in cognition and the development of dementia may be caused by predisposing or...
8.
Meczekalski B, Niwczyk O, Bala G, Szeliga A
Curr Opin Pharmacol . 2022 Sep; 67:102288. PMID: 36103784
Functional hypothalamic amenorrhea (FHA) is the most common cause of secondary amenorrhea in women of reproductive age. FHA is predominantly caused by stress, decreased caloric intake, excessive exercise, or a...
9.
Szeliga A, Rudnicka E, Maciejewska-Jeske M, Kucharski M, Kostrzak A, Hajbos M, et al.
Int J Environ Res Public Health . 2022 Mar; 19(5). PMID: 35270780
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women and a major cause of anovulatory infertility. A diagnosis of PCOS is established based the presence of two...