During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During the first 11 months of 2006, net imports grew by 21 percent to $ 1. 95 billion, while exports stood at $ 895 million, up 0. 3 percent from the same period in 2005.

During the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During courtship, males emit loud coughs.

During this period, Kipsigis males undergo three main traditional ceremonies called the kelab-eun, the tyenjinet and the kayaet.

During this the female will have copulated with multiple males, who will have fought to mount her from below.

During the Jim Crow era, there were three large state-funded universities in Florida for white males, white females, and black Americans ( UF, FSU, and FAMU, respectively ); in this accord, UM was founded as a white, coeducational institution.

During the peak of the breeding season, unattached males wander widely in search of receptive females.

During the breeding season, females will move into smaller areas with their young, which they will defend fiercely, especially from any males.

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

During breeding season, males and females display a variety of behaviors to attract mates, including head flagging — swiveling their heads from side-to-side in tandem — and wing salutes, where the wings are repeatedly opened and closed.

During the rut, the males are largely solitary, scent marking their territories and sometimes butting or wrestling rival males with their horns.

During the winter the Wallcreeper is solitary, with males and females defending individual feeding territories.

During World War II, 500, 000 American Jews, about half of all Jewish males between 18 and 50, enlisted for service, and after the war, Jewish families joined the new trend of suburbanization, as they became wealthier and more mobile.

During the " yawning " display, the head is thrown back and calls are given which differ between males and females ; when the birds land, males and females give an identical call.

During times of breeding males turn black while females and non-breeding males are tan or olive-green.

During the brief time before this, however, the males are still sexually potent and some of them either remain on standby to sire replacement clutches ( for female Mallards that have lost or abandoned their previous clutch ) or forcibly mate with females that appear to be isolated or unattached regardless of their species and whether or not they have a brood of ducklings.

During the mating season, resident males may be chased away by invading solitary males.

During courtship, when the males chase the females, they often flatten the underbrush leaving behind areas of the forest in the shape of a figure eight called ' roe rings '.

During breeding season, the males make great spectacles of themselves in flight to attract females.

During the breeding season males become very aggressive, sometimes snapping each other and wrestling, while defending the females with them.

During the reproductive season, males splash their urine on their tails and nearer regions.

During the breeding season, males become a striking blue colour in order to attract females.