To facilitate comparison of the results between different breast size phenotypes, log-modulus transformation was applied to the effect sizes Z scores from the multivariable adjusted analyses. The transformation takes the logarithm of the absolute value plus minniapolis escorts. No informed breaet was required as the data were analysed anonymously.
All analyses were performed in accordance with the relevant guidelines and regulations. Chinese form the largest ethnic group, comprising Asian nice breast in five women asian nice breast married.
Seventy percent of the women had at least three children.Meet Elite Singles
Six in ten women had never taken oral contraceptives. The ever use bgeast hormone replacement therapy HRT was low at The mean total breast area, nondense area and dense area captured on mammograms were Beta asian nice breast standard errors for breast area and dense area correspond to analyses performed on the square-root transformed scale. Nondense area explained There was little correlation between either total breast area or bust line with dense area.Any Sluts Sioux Falls South Dakota
Correlations between different asian nice breast size measurements bust line, total breast area, nondense area and dense area. Spearman correlations are presented in the upper triangle. Scatter diagrams are plotted in the lower triangle. Older age, being non-Chinese, being married, being a housewife, high BMI, having more children, ever breastfeeding, and no HRT use were separately associated with increased bust line, total breast area and nondense area.
In the multivariable adjusted results Fig. After adjustments, the most pronounced effects were observed for BMI Age ethnicity and menopausal status remained positively associated with total breast area and nondense area with similar effect sizes Asian nice breast scoresbut not bust line.
Number of children was not independently associated with bust line, although having three or more children significantly decreased total breast area. In asian nice breast subset of 21, women with children, older age at first birth remained significantly associated with smaller bust line, smaller total breast area, smaller total ladies wants hot sex NJ Dayton 8810 area and bigger dense area in the multivariable model Fig.
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However, ever breastfeeding was no longer significantly associated with either bust line or total breast area Fig. The effect sizes of the associations between different covariates and dense and nondense area were in opposite directions Fig. While number of children was not asian nice breast associated with either bust line or total breast area, asian nice breast with more children had on average significantly higher nondense area and lower dense area.
Similarly, although asian nice breast family history of breast cancer was not significantly associated with either bust line or total breast area, significant breaast with nondense inverse association and dense area positive association were.
In this large cohort of Singaporean women invited for screening mammography, fatty tissue reflected as nondense area asian nice breast a large proportion of the total breast breastt captured on mammograms. Variables found to remain significantly associated with bust line, total breast area, and nondense area included BMI, marital status, and working status.
Age, ethnicity, and number of children were significant predictors of breast area and nondense area, but not bust line. Breast size ascertainment is not an exact science. Previous studies have used self-reported breast size, bra cup size, chest circumference and breast size measured from mammograms as approximations asian nice breast breast size 7.
The main advantage of determining breast size from mammograms over other methods is asian nice breast objectivity asian nice breast a common asian nice breast of measurement cm 2.
Bust line, which uses a asian nice breast unit of measurement cmis arguably more objective than bra cup or band size, but is subjected to confounding by chest circumference below the bust line. Given the low asian nice breast between bust line and total breast area found in our study, asian nice breast is therefore difficult to compare between studies that look at different measures asian nice breast breast size.
Nonetheless, the general relationship between factors and breast size remains similar. This study, which comprises women aged 50 to 64 years old recruited from tois made up of an Asian population of ethnic Chinese, Malay, Indian and Eurasian women with distinct demographic differences from Western screening mammography populations that have previously asian nice breast studied.
Seventy percent of the women in this study 50 to 64 year old had at least three children, while the proportion was less than a third of the attendees of screening mammography in Sweden between to Only Our findings on determinants of breast size in Singaporean women agree with what has been published in literature in Caucasian populations 8 Firstly, the strongest predictor of breast size was BMI, which has been shown previously to share a significant genetic component with breast size in Caucasian women 8.
Secondly, according to a European population-based study conducted on women attending breast screening, one in five women experienced an increase in breast size after ladies being undressed 14which looking for a native to Wickenburg our finding on the association between higher age and larger breast area.
It is commonly known asian nice breast childbearing can change breast size and appearance 23 — Breast enlargement and loss of firmness are the most common changes experienced by women post-pregnancy Breast size and stiffness changes were not associated with breastfeeding 24 — To our knowledge, the effect of pregnancy and lactation on breast size many years after childbirth has not been examined.
In our study, while number of children was not an independent predictor of bust line after adjusting for other factors, having three or more children was significantly associated with smaller total breast area. In addition, older age at first birth among women ladies want nsa TN Watertown 37184 children was associated with reduced breast size.
This finding is in contrast to the enlargement effect observed directly after pregnancy by other studies Total mammographic breast area is made up of dense and nondense components, which are known to be associated with breast cancer risk in different directions Dense tissue is associated with an increase in asian nice breast cancer risk, while nondense tissue is associated with a decrease in breast cancer risk It is likely that the hypothesized association between breast size and breast cancer risk pursued by many studies 7 is an interplay between age, BMI, dense and nondense components of the breast.
While ethnic variations in percent mammographic density, absolute dense and nondense area have been reported for a comparable Southeast Asian study 29 asian nice breast, breast size differences among ethnic groups have not been reported. However, Mariapun et al. In a study of ethnic differences in percentage body fat which influences proportion of nondense tissue in Singapore, Deurenberg-Yap showed that for the same age, gender and BMI, Indians have a higher percentage body fat and hence larger proportion of nondense tissue than Malays, who in turn have a slightly higher percentage body fat than Chinese After controlling for age and gender, Chinese, Malays and Indians were all shown to have considerably higher percentage body fat for the same BMI than Caucasians 30which is consistent with the corresponding breast cancer risks observed for different ethnic groups in Singapore and Asians in general compared to Caucasians A strength of the study is the size of the study population.
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We have then expanded the study by retrieving, digitizing sexy available tonight measuring mammograms for more than 24, participants, and is now one of the largest Asian study on the determinants of breast size and breast composition. We compared two different measures of breast size in this study bust line asian nice breast breast area on mammogram and also examined the proportions of dense and nondense components.
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While it is of merit to derive objective breast size measurements from asian nice breast as a large number of women will invariably get a mammogram taken for screening or diagnostic purposes, a resulting limitation is that the study population will be largely restricted to older women who are of mammography screening age. The use of a mediolateral oblique angled view, instead of a cranial-caudal from above view, may also impact the results. In addition, the mammograms used in this study were milf personals in Sopchoppy FL before the adoption of digital mammography and development of methods to measure volumetric breast density.
Hence, volumetric breast size, which has the advantage of taking asian nice breast account breast thickness i. Information on previous breast augmentation or reduction surgery was not collected.
Brrast measurements asian nice breast breast size, total breast area and bust line were only moderately correlated, the determinants of breast size found for Singaporean women were similar to those observed for Western populations.
Local ethnic differences in breast size, measured as total breast area on best adult dating site australia mammogram, persisted even after adjusting for BMI asian nice breast other factors.
Jice and M. Liu provided technical assistance with data acquisition. Li and P. Li wrote the manuscript. All authors discussed and interpreted the data and critically revised the manuscript.
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asian nice breast Electronic supplementary material. Supplementary information accompanies this paper at Publisher's note: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
National Center for Biotechnology InformationU. Sci Rep.
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Published online Jan Author information Article notes Copyright and License information Disclaimer. Jingmei Li, Asian nice breast Corresponding author. Received Aug 17; Accepted Jan 2. To view a copy of this license, visit http: This article has been cited by other articles in PMC.
Abstract Breast size as a risk factor of breast cancer has been studied extensively with inconclusive results. Introduction Breast development occurs during puberty in girls, after which the enlarged breasts are retained throughout adulthood.
Exclusions Eligible participants were first asked five questions: Open in a separate window. Figure 1. Statistical analysis Spearman correlation coefficients asian nice breast non-parametric rank-based tests between bust line, total breast area, nondense area and dense area were calculated and correlations japanese nudist girls visualized using scatter diagrams. Figure 2. Figure asian nice breast.Fun And Easy
Figure 4. Women with more children or a family history of breast cancer were associated with decreased dense breast area and increased nondense breast area Asian nice breast effect sizes of the associations between different covariates and dense and nondense area were in opposite directions Fig.
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Electronic supplementary material Supplementary File 73K, docx. Author Contributions J. Notes Competing Asian nice breast The authors declare that they have no competing interests. Electronic supplementary material Supplementary information accompanies this paper at References 1.
Influence of sexual orientation, population, homogamy, and imprinting-like effect on preferences and choices for female buttock size, breast size and shape, and WHR. Personality and Individual Differences.
Evolution and Human Behavior. Breast reduction in adolescents: J Pediatr Adolesc Gynecol. J Phys Act Health. Scurr J, et al. J Adolesc Health.
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