During this period most uniforms reflected the trends of the age, with boys wearing short trousers and blazers until roughly the age of puberty and then long trousers from about 14 or 15.

During puberty, an increase in male sex hormones called androgens cause the follicular glands to grow larger and make more sebum.

During puberty the hymenal opening can also be enlarged by tampon, menstrual cup use, pelvic examinations with a speculum, regular physical activity or sexual intercourse.

During puberty, 13 % of males experience their first ejaculation as a result of a nocturnal emission.

During puberty, androgen, LH and Follicle stimulating hormone ( FSH ) production increase and the sex cords hollow out, forming the seminiferous tubules, and the germ cells start to differentiate into sperm.

During puberty pubarche tends to occur earlier in girls than boys, as with most puberty stages and puberty as a whole.

During puberty, the virus enters the mammary glands with migrating lymphocytes and infects proliferating mammary gland epithelial cells.

During puberty the HPG axis is activated by the secretions of estrogen from the ovaries or testosterone from the testes.

During these visits the dentist will adjust the braces to increase the pressure on her teeth.

During this term Johnson also made a concerted effort to increase his sphere of interactions ; his higher profile was exemplified by a biographical sketch published in the New York Times in May 1849, describing him as an excellent committee worker and investigator.

During its decline, Master RAM Boards were added to every Electron in an attempt to increase sales.

During 2006, exports of goods and services totaled US $ 58 billion, an increase of 41 %.

During this period, archaeological evidence points to an increase in literacy and a partial shift away from the faith placed in Shangdi ( the Supreme Being in traditional Chinese religion ), with ancestor worship becoming commonplace and a more worldly orientation coming to the fore.

During midday, as temperatures increase, they wallow in water and then graze in late afternoons and early evenings.

During this period, Parton's visibility continued to increase, with television appearances in 1977, 1978 and 1979.

During the Formative Period, people of the region moved from the hunter-gather a simple farming into a more developed society, with permanent developments, an increase in agriculture and the use of ceramics.

During pregnancy, the glands and blood vessels in the endometrium further increase in size and number.

During the Great Purge mass arrests caused another increase in inmate numbers.

During these years policies were put in place which led to the rapid transformation of Malaysia ’ s economy and society, such as the controversial New Economic Policy, which was intended to increase proportionally the share of the economic " pie " of the bumiputras (" indigenous people ", which includes the majority Malays, but not always the indigenous population ) as compared to other ethnic groups — was launched by Prime Minister Tun Abdul Razak.

During the reign of Hezekiah, between c. 715 and 686 BCE, a notable increase in the power of the Judean state can be observed.

During the period of 1960 to 1970, the average annual rate of increase of Albania's national income was 29 percent higher than the world average and 56 percent higher than the European average.

During the 16th century, Ashante society experienced sudden changes, including population growth because of cultivation of New World plants such as cassava and maize and an increase in the gold trade between the coast and the north.

During the period 1813-1913, there was a significant increase in worker wages.

During this time Very Low Frequency ( 3 – 30 kHz ) signals will be reflected by the D layer instead of the E layer, where the increased atmospheric density will usually increase the absorption of the wave and thus dampen it.

During an eruption, the sea temperature around the island may increase from just above freezing to about.

" During Rabbi's career, not only did the scope of rabbinic jurisdiction increase, but the power of the central rabbinic office increased as well.

During his reign, there was a significant increase in the size of the Mughal Empire, half a dozen rebellions were crushed, prisoners of war were released, and the work of his father, Akbar, continued to flourish.

During the High Middle Ages, which began after AD 1000, the population of Europe increased greatly as technological and agricultural innovations allowed trade to flourish and crop yields to increase.

During the acute withdrawal period systolic and diastolic blood pressure increase, usually beyond pre-morphine levels, and heart rate increases, which have potential to cause a heart attack, blood clot, or stroke.

During the development of nerve edema from nerve irritation or ( injury ), the amount of endoneurial fluid may increase at the site of irritation.

During the Phanerozoic biodiversity shows a steady but not monotonic increase from near zero to several thousands of genera

During the 1960s, development continued to increase with the city ’ s investment in Mission Bay Park, including the developments of the Islandia, Vacation Village and Hilton Hotels.

The involvement of the proteasome in this process is indicated by both the increase in protein ubiquitination, and of E1, E2, and E3 enzymes that is observed well in advance of apoptosis, During apoptosis, proteasomes localized to the nucleus have also been observed to translocate to outer membrane blebs characteristic of apoptosis.

During the fall mating season, bull moose may be aggressive toward humans due to the high hormone levels they experience.

During this conversation, Pettitte said Clemens had told him that McNamee had injected Clemens with human growth hormone.

During a stress response, the hypothalamus secretes various hormones, namely corticotropin-releasing hormone, which stimulates the body ’ s pituitary gland and initiates a heavily regulated stress response pathway.

During a stress response, the pituitary gland releases hormones into the blood stream, namely adrenocorticotropic hormone, which modulates a heavily regulated stress response system

During the 1960s, DES was used as a growth hormone in the beef and poultry industries.

During this time, the knowledge of the structure and function of the hormone increased.

During estrus ( in heat ) in mammals, the hormone estradiol ( a hormone of the class of hormones known as estrogens ) regulates this sexual receptivity behavior by the neurons in the ventromedial nucleus of the hypothalamus, the periaqueductal gray, and other areas of the brain.

During this period he instituted a regime of continuous training and insisted on high levels of physical fitness for both officers and other ranks.

During the discussion it becomes clear how different this process is from regular legal proceedings – guilt is assumed, the bureaucracy running it is vast with many levels, and everything is secret, from the charge, to the rules of the court, to the authority behind the courts – even the identity of the judges at the higher levels.

During solar proton events, ionization can reach unusually high levels in the D-region over high and polar latitudes.

During this twelve month period water levels ranged from to the Chart Datum.

During this period the southern Red Sea ’ s levels dropped and was only 2. 5 miles or 4 km wide.

During menopause, estrone is the predominant circulating estrogen and during pregnancy estriol is the predominant circulating estrogen in terms of serum levels.

During the germination period of reproduction the fish are exposed to low levels of estrogen which may cause reproductive dysfunction to male fish.

During Richard's reign, royal expenditure on castles declined from the levels spent under Henry II, Richard's father.

During production of the game, many levels were rejected for one reason or another.

During the registration of pesticides in the United States exhaustive tests are performed to discern health effects on humans at various exposure levels.

During the Second World War, the most powerful men in the SS were the SS and Police Leaders, divided into three levels: Regular Leaders, Higher Leaders, and Supreme Leaders.

During winter, average temperatures in the city center fall below freezing levels (− 2 ° C / 28 ° F ) and significant accumulations of snow can occur: the historic average of Milan's area is during the period between 1950 and 2007, with a record of during the snowfall of January 1985.

During the height of the day, photosynthesis is at its peak, producing the highest levels of sugar in sap, making this the least ideal time of day to harvest.

During the Seventies West Germany was able to weather the global financial storm far better than almost all the other developed countries, with unemployment and inflation kept at comparatively low levels.

During perimenopause, the ovarian production of the estrogens and progesterone becomes more irregular, often with wide and unpredictable fluctuations in levels.

During the menopause transition years, as the body responds to the rapidly fluctuating and dropping levels of natural hormones, a number of effects may appear.

During this period, social change, men coming into positions of power, some of them from other parts of the country or from lower levels in society, resulted also in linguistic change.

During a period of solid growth from 1997 to 2001, poverty levels remained stubbornly high, especially in rural areas.

During this twelve month period water levels ranged from below Chart Datum.

During the Wisconsin glaciation, 50, 00017, 000 years ago, falling sea levels allowed people to move across the Bering land bridge ( Beringia ) that joined Siberia to north west North America ( Alaska ).

During the early Middle Ages this began to change as rising sea levels and storms started to eat away at the coastal areas which consisted mainly of peatlands.

During the compensated phase on insulin resistance insulin levels are higher, and blood glucose levels are still maintained.