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Harlequin color change is a cutaneous condition seen in newborn babies characterized by momentary red color changes of half the child, sharply demarcated at the body's midline. This transient change occurs in approximately 10% of healthy newborns. [1] It is seen usually between two and five days of birth.
Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications. [1]
The signs and symptoms of pruritic folliculitis of pregnancy include: redness of the skin, small red bumps that surrounds a hair follicle, and red bumps that are filled with pus "that usually appear first on the abdomen and may spread to the chest, upper portion of the back, shoulders, arms, and thighs" and it occurs during the second or third ...
Some skin changes are known to occur in people who are pregnant while other skin conditions, or dermatoses, that people have prior to getting pregnant will become altered or symptoms will increase. Pruritic urticarial papules and plaques of pregnancy (PUPPP) is one of many skin conditions that is specific to pregnancy and occurs in about 1 in ...
A woman's breasts change during pregnancy to prepare them for breastfeeding a baby. Normal changes include: Tenderness of the nipple or breast; An increase in breast size over the course of the pregnancy; Changes in the color or size of the nipples and areola; More pronounced appearance of Montgomery's tubercles (bumps on the areola)
The cause of the condition lies in conception or utero with the aggregation of two distinct zygotes or blastocysts (one of which expresses 46,XX and the other of which expresses 46,XY) into a single embryo, [4] which subsequently leads to the development of a single individual with two distinct cell lines, instead of a pair of fraternal twins.
An example of this is one of the milder forms of Klinefelter syndrome, called 46,XY/47,XXY mosaic wherein some of the patient's cells contain XY chromosomes, and some contain XXY chromosomes. The 46/47 annotation indicates that the XY cells have the normal number of 46 total chromosomes, and the XXY cells have a total of 47 chromosomes.
[18] [19] These changes in immune responses during pregnancy extend to maternal components specific to fetal antigens, because of feto-maternal cell transfer and their retention in mother tissues. During pregnancy, numbers of fetal cells in maternal tissues increase and correlate with expansion of CD4+ regulatory T cells (Tregs). [ 20 ]