Results 31 to 40 of about 57,391 (186)

Prevalence of premature ovarian insufficiency (POI) and its relationship with female reproductive factors in Iranian women: a cross-sectional study from the Persian (Shahedieh) cohort data

open access: yesBMC Women's Health, 2023
Background In premature ovarian insufficiency, the cessation of menstruation, and cessation of ovarian function occurs before the age of 40, and this phenomenon is associated with many complications and problems for women.
Sara Jambarsang   +3 more
doaj   +1 more source

Mechanisms of chemotherapy-induced human ovarian aging: double strand DNA breaks and microvascular compromise [PDF]

open access: yes, 2011
The mechanism of chemotherapy-induced acceleration of ovarian aging is not fully understood. We used doxorubicin, a widely used cancer chemotherapeutic, in a variety of in vivo xenograft, and in vitro models to investigate the impact of chemotherapy ...
Darzynkiewicz, Zbigniew   +3 more
core   +1 more source

Optimizing Female Infertility in Premature Ovarian Insufficiency

open access: yesDüzce Tıp Fakültesi Dergisi, 2022
Premature ovarian failure is a complex pathology with numerous etiologies and multiple system sequelae resulting for early deprivation of ovarian sex hormones. In the studies to determine the etiology, it is seen that many patients are in the unexplained
Pınar Çağlar Aytaç
doaj   +1 more source

Effect of hyperthyroidism on circulating prolactin and hypothalamic expression of tyrosine hydroxylase, prolactin signaling cascade members and estrogen and progesterone receptors during late pregnancy and lactation in the rat [PDF]

open access: yes, 2017
Hyperthyroidism (HyperT) compromises pregnancy and lactation, hindering suckling-induced PRL release. We studied the effect of HyperT on hypothalamic mRNA (RT-qPCR) and protein (Western blot) expression of tyrosine hydroxylase (TH), PRL receptor (PRLR ...
Jahn, Graciela Alma   +4 more
core   +1 more source

Premature Ovarian Failure [PDF]

open access: yesThe Journal of Clinical Endocrinology & Metabolism, 2008
Over the last 40 years or so, there has been a significant rise in the number of women in the western world who have had their ovaries surgically removed prior to the age of natural menopause. The vast majority of these women were undergoing hysterectomy at the time, usually for a benign gynaecological condition such as menstrual dysfunction ...
Marcel Cedars   +2 more
  +5 more sources

Thyroxine-binding globulin: investigation of microheterogeneity [PDF]

open access: yes, 1981
Preparations of T4-binding globulin (TBG) from human serum was performed using only two affinity chromatography steps. Purity of the protein was demonstrated by a single band in overloaded disc and sodium dodecyl sulfate electrophoresis, equimolar ...
Gärtner, Roland   +4 more
core   +1 more source

The need to identify novel biomarkers for prediction of premature ovarian insufficiency (POI)

open access: yesMiddle East Fertility Society Journal, 2022
Background Premature ovarian failure (POF)/premature ovarian insufficiency (POI) is characterized by disrupting ovarian function under 40 years old. A major health problem of this disorder is female infertility. There are no proven treatments to increase
Roya Kabodmehri   +3 more
doaj   +1 more source

Reproductive and developmental effects of phthalate diesters in females. [PDF]

open access: yes, 2013
Phthalate diesters, widely used in flexible plastics and consumer products, have become prevalent contaminants in the environment. Human exposure is ubiquitous and higher phthalate metabolite concentrations documented in patients using medications with ...
Chambers, Christina   +2 more
core   +1 more source

Investigation of KIT gene mutations in women with 46,XX spontaneous premature ovarian failure

open access: yesBMC Women's Health, 2002
Background Spontaneous premature ovarian failure presents most commonly with secondary amenorrhea. Young women with the disorder are infertile and experience the symptoms and sequelae of estrogen deficiency.
Nelson Lawrence M   +4 more
doaj   +1 more source

Karyotype Evaluation in Patients with Premature Ovarian Failure

open access: yesForbes Tıp Dergisi, 2020
INTRODUCTION: Chromosome anomalies are one of the major causes of premature ovarian failure and the importance of chromosome analysis in reproductive management has been confirmed.
Aslı Akdöner   +2 more
doaj   +1 more source

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