The phrase "at a puberty" is not correct and usable in written English.
It is typically used incorrectly as "puberty" is an uncountable noun and should not be preceded by "a."
Example: "During puberty, many adolescents experience significant physical and emotional changes."
Alternatives: "during puberty" or "in puberty".
Epithelial and in particular luminal cells showed a peak at puberty followed by a decrease, which was reflected in gene expression patterns, such as those of luminal and basal cytokeratins.
According to this view, a person would become a shaman at puberty when, especially in subarctic and Arctic climatic conditions, changes in his constitution and nervous system resulted in the onset of mental illness.
Studies have consistently proved that girls lose their self-esteem en route to adolescence; research from UN Women claims that at puberty, a girl's confidence drops at twice the rate of a boy's and that, at that time, 49% of girls drop out of sports altogether – six times more than the rate of boys.
It is long believed that there are stem cells in the mammary glands because this organ has the capability of undergoing an extensive growth at puberty and a second phase of expansion and retraction during pregnancy under the regulation of estrogen [ 4].
Adolescents may typically present with a suspected DSD in three ways – a girl with primary amenorrhoea (with or without breast development), a girl who virilizes at puberty or a boy with pubertal delay (Fig. 2).
Each month, beginning at puberty, a single egg is released.
Some show up in babies; others surface at puberty; a few emerge only toward the end of the victim's reproductive life.
Phenotypic females (46,XY) with NR5A1 mutations can present with clitoromegaly at puberty, a phenotype similar to other partial defects of androgen synthesis or action.
Furthermore, it has recently been demonstrated that breast cancer risk correlates strongly with height at puberty, a characteristic that is strongly correlated with growth hormone levels [ 10].
This dataset represents profiles of micro-dissected tissues containing both epithelial cells and immediately adjacent stroma at puberty, a key developmental stage during which the TEB exhibits invasive directional growth through the fat pad, resulting in ductal elongation and branching.
