Results 111 to 120 of about 81,358 (273)

Nongenetic determinants of age at menarche: A systematic review [PDF]

open access: yes, 2014
Background. The acceleration of pubertal development is an important medical and social problem, as it may result in increased morbidity and mortality in later life.
Dvornyk, V, YERMACHENKO, A
core   +2 more sources

Multiple eumenorrheic cycles are necessary to observe a significant increase in estrogen exposure and ovulation in exercising women with functional hypothalamic oligo/amenorrhea undergoing a nutritional intervention: Insights from the REFUEL study

open access: yesPM&R, EarlyView.
Abstract Background Due to consequences of energy‐related oligo‐/amenorrhea (Oligo/Amen) among exercising females, recovery of menses (ROM) is a priority. ROM is inconsistently defined and rarely reported with reproductive hormone (estrogen, progesterone) data, making it difficult to know when females achieve adequate recovery. Objective The purpose of
Rebecca J. Mallinson   +4 more
wiley   +1 more source

A study to evaluate the relation between the age at menarche and bone mineral density in pre- and post-menopausal women

open access: yesNational Journal of Physiology, Pharmacy and Pharmacology, 2019
Background: Bone mass loss is very common but ignored problem of elderly population. Many reproductive and menstrual factors such as parity, breastfeeding, age at first pregnancy, age at menarche, use of combined oral contraceptives, and age at menopause
Swati Vikas Gavit   +2 more
doaj   +1 more source

International Variability in Ages at Menarche, First Livebirth, and Menopause [PDF]

open access: yes, 2017
The occurrences and timing of reproduction-related events, such as menarche, first birth, and menopause, play major roles in a woman's life. There is a lack of comparative information on the overall patterns of the ages at and the timing between these ...
Costanza, Michael C., Morabia, Alfredo
core  

Mammogram history in Nigerian women: Age-related risk factors for breast cancer and educational implications [PDF]

open access: yes, 2018
Background: Breast cancer accounts for 25% of diagnosed cancers and 20% of cancer-related mortality in women from sub-Saharan Africa. Given the early onset of breast cancer in African women, there is a need to better understand how age-related risk ...
Britt   +7 more
core   +2 more sources

Differences in female athlete triad risk factors between Japanese and American female runners: A comparative study

open access: yesPM&R, EarlyView.
Abstract Background Differences in female athlete triad risk factors between runners from Japan and the United States have not been explored. Objective To compare the prevalence of Triad risk factors and Triad components between female Japanese and American distance runners. Design Observational, cross‐sectional.
Ana Carla C. Salamunes   +9 more
wiley   +1 more source

Secular trend of menarche age in an immigrant urban city in Turkey: Izmir

open access: yesThe Turkish Journal of Pediatrics, 2014
The purpose of this study was to investigate the secular trend of menarche age within the last 35 years in an immigrant urban city in Turkey-İzmir. We found the mean age at menarche as 13.10±1.18 years for 121,257 women.
Nurdan Tekgül   +2 more
doaj  

The J shaped association of age at menarche and cardiovascular events: systematic review and meta-analysis

open access: yesScientific Reports
This study aimed to evaluate the association between age at menarche and cardiovascular (CV) events through a systematic review and meta-analysis of observational studies. A comprehensive literature search covering studies published from January 1, 2000,
Samira Behboudi-Gandevan   +4 more
doaj   +1 more source

Age at menarche based on recall information

open access: yesAnnals of Human Biology, 1987
Censored likelihood methods which use recalled dates yield accurate estimates of the age at menarche in an urban population of black adolescent girls. The mean age at menarche is 12.44 (SE 0.08) years for a sample of 272 black adolescents in Philadelphia, PA.
M L, Hediger, R A, Stine
openaire   +2 more sources

Efficacy of Plant‐Derived Therapies for Primary Dysmenorrhea: A Systematic Review and Meta‐Analysis of Randomized Controlled Trials

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Primary dysmenorrhea is defined as recurrent, cramp‐like lower abdominal pain occurring during menstruation in the absence of underlying pelvic pathology. A significant proportion of the population opts for natural plant‐based remedies due to their perceived lower incidence of adverse effects.
Lifei Wu   +5 more
wiley   +1 more source

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