[4, 5, 16], we predict that women in job types that are labelled as " high stress", would be more likely to give birth to daughters than to sons, while women in "low stress" job categories should have a probability of giving birth to a son or daughter that is close to the world...
Over the past decades, with the rapid popularity of assisted reproductive technology (ART) for infertility treatment, a growing number of babies were born from IVF or ICSI10. It was estimated that ART has contributed to the birth of over 5 million live born babies worldwide11. Notably, as w...
10. •示例:The ratio of men to women in the country is 1 to 1.(该国男女比例为1比1) •讲解:在这个例句中,“the ratio of men to women”表示“男女的比例”。使用冒号“1:1”表示男性和女性在人口中的数量相等。这种用法通常用于描述性别比例或人口统计数据。 这些是关于“the ratio of”的更多...
The classes which showed a shift of sex ratio to either sex are cited mainly in tables. The results obtained are summarized as follows. A shift of total sex ratio was seen in one station (Ko), and in six stations as a whole. A sig-nificant difference in total sex ratio was noted ...
Waist circumference and waist-to-height ratio in Norwegian children 4-18 years of age: Reference values and cut-off levels. Acta Paediatr 2011; 100: 1576–1582. Article CAS PubMed Google Scholar Kromeyer-Hauschild K, Neuhauser H, Rosario AS, Schienkiewitz A . Abdominal obesity in German ...
Data from the New York State Chromosome Registry on over 10,000 cases of Down syndrome reported from 1977 to 1996 confirm findings in the England and Wales Cytogenetic Register that in mosaic 46/47,+21 cases of Down syndrome the male/female ratio (as inferred from XY and XY karyotypes resp...
Objective: To report two cases of live births after intracytoplasmic sperm injection (ICSI) in two women who were seronegative for human immunodeficiency virus type 1 (HIV-1) after the use of processed semen from their seropositive husbands. Design: Case reports. Setting: University hospital IVF...
Increases in the minority sex consistently occurred from one generation to the next across all five populations, first establishing and then maintaining a balanced sex ratio until termination of the experiment at 8 to 10 generations. The extent to which the level of ESD changed as balanced sex ...
limn→∞cn+1cn=limn→∞2nn+1=2,R=12and the the interval of convergence isx∈(52,72). What is the ratio test for convergence? The ratio test for convergence can be used to determine whether an infinite series converges or diverges. The test provides a criteria for a series to converge...
Lei, G.K.PShu, C