Results 231 to 240 of about 41,803,081 (273)
Some of the next articles are maybe not open access.

Diet and age at menarche

Cancer Causes and Control, 1990
Early menarche has been associated with higher risk of breast cancer. A prospective study has been conducted in Quebec City, Canada, to evaluate the relationship of dietary intake to age at menarche. On three occasions during the schoolyear 1986-87, 2,299 pre-menarche.
J, Moisan, F, Meyer, S, Gingras
openaire   +2 more sources

Race and age at menarche

American Journal of Obstetrics and Gynecology, 1971
2 silk purse-string sutures were placed around its base. Then the cul-de-sac was obliterated by concentric sutures of 2-O silk beginning at the bottom of the cul-de-sac and proceeding upward (Moschowitza operation). The abdominal incision was then closed.
J, Weir, J E, Dunn, E G, Jones
openaire   +2 more sources

Handedness, Age at Menarche, and Age at Menopause

Obstetrics & Gynecology, 1994
To investigate the relation between handedness and age at menarche or age at menopause, as both handedness and reproductive variables have been suggested to be influenced by the intrauterine endocrine environment.Self-reported information on handedness, age at menarche, age at menopause, and other demographic and reproductive variables was recorded for
PAVIA M   +4 more
openaire   +3 more sources

Age at menarche in Iceland

American Journal of Physical Anthropology, 1978
AbstractThe purpose of this study was to elucidate the mean age at menarche in Icelandic girls and compare it with results from other Scandinavian populations as well as in other ethnic groups. The study was performed during the school year 1972–1973 on a cross‐sectional sample of 682 girls (aged 8.5 to over 17 years), constituting 9.5% of the girls ...
openaire   +2 more sources

Age at Menarche: A Misunderstanding

Science, 1981
Through a misinterpretation of historical data, the age of menarche in the 19th century is erroneously taken to have been 17 years. This error has resulted in unwarranted beliefs about change in female sexual maturation in the United States.
openaire   +2 more sources

AGE OF MENARCHE AND ADULT PERSONALITY

Obstetrical & Gynecological Survey, 1964
Introduction There is considerable evidence that adolescents who mature very early or very late have more emotional difficulties than the other children their age. 8,11,17 School and social adjustment is impaired. 1 Social status can be markedly affected.
openaire   +2 more sources

Menarcheal age in central Italy

American Journal of Human Biology, 1994
AbstractEstimates of menarcheal age in girls in central Italy based on the status quo and recall methods are compared. Results obtained by the two methods differ significantly in that the recall method underestimates age of menarche even though utmost care was used in data collection (province of Rome: status quo 12.44, retrospective 11.84; Molise ...
Alessandro, Vienna, Enrico, Capucci
openaire   +2 more sources

Age at Menarche and Nutritional Supplementation

The Journal of Nutrition, 1995
Retrospective data on age at menarche were collected for 832 Guatemalans 15-30 y in age to test whether exposure to a high energy and high protein supplement (Atole: 163 kcals/682 kJ and 11.5 g protein per cup or 180 mL) during childhood led to earlier menarche than did exposure to a low energy, no protein supplement (Fresco: 59 kcals/247 kJ in 180 mL).
A D, Khan   +3 more
openaire   +2 more sources

The Decreasing Age at Menarche in Mexico

Journal of Pediatric and Adolescent Gynecology, 2016
To estimate the current age at menarche in 2 urban areas from Mexico and to analyze secular trends in the age at menarche in Mexico City.Cross-sectional survey and secondary data analyses.(1) Samples of female students from Mexico City and from the city of Xalapa; and (2) national health surveys.(1) Pre- and postmenarcheal students, aged 8-17 years ...
M Luisa, Marván   +3 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy