What race has Mongolian spots?

Mongolian spots (MS) are congenital birthmarks seen most commonly over the lumbosacral area. They are bluish-green to black in color and oval to irregular in shape. They are most commonly found in individuals of African or Asian ethnic background.

What races have Mongolian blue spots?

Causes. Dermal melanocytosis is common among people of Asian, Native American, Hispanic, East Indian, and African descent. The color of the birth mark is from a collection of melanocytes in the deeper layers of the skin.

Where do Mongolian spots originate from?

It results from the entrapment of melanocytes in the lower half to two-thirds of the dermis during their migration from the neural crest to the epidermis during embryonic development.

Can white people have Mongolian spots?

Mongolian spots are gray-blue to brown macules or patches located in the lumbosacral/gluteal region. They affect a majority of Asians, African Americans, and American Indians but are rare in Caucasians. The lesions are present at birth but often spontaneously regress within a few years.

Do white people get Mongolian blue spots?

On average, only about 10% of Caucasian infants have Mongolian blue spots. Blue spots are found in about 50% of Latinos, and 90% to 100% of Asian and African populations.

Birthmark - Spotting the Mongolian Spot

Are Mongolian spots genetic?

Mongolian spot is a hereditary developmental condition caused by entrapment of melanocytes in the dermis during their migration from the neural crest into the epidermis.

Do all mixed babies have Mongolian spots?

A child may have one or several. At least one Mongolian spot is present on over 90% of Native Americans and people of African descent, over 80% of Asians, over 70% of Hispanics, and just under 10% of fair-skinned infants (Clinical Pediatric Dermatology, 1993).

What causes Mongolian birthmark?

What causes Mongolian blue spots? Mongolian blue spots appear on the skin at or shortly after birth. The spots appear when melanocytes (cells that produce pigment, or melanin) remain in the deeper skin layer during embryonic development.

What is a royal birthmark?

9 According to Bloch, belief in the royal birthmark—a mysterious mark on sovereigns' bodies indicating their royal status—was "one of the most lively superstitions in the Middle Ages," which gives "a deep insight into the popular mind."10 It provides evidence of the concept of the sacred and miraculous nature of ...

What countries have Mongolian DNA?

Introduction. The Mongolian ethnic group, a population of East Asia, has approximately 10 million individuals. They primarily reside in China, Mongolia, Russia, the Republic of Kazakhstan, and other countries. The ethnogenesis of Mongolians is vaguely known.

What does it mean if you have Mongolian spots?

Mongolian spot is a type of dermal melanocytosis, which presents at birth as an ill-defined area of slate gray to blue black pigmentation over the lumbosacral region, and disappears during childhood.

How much of the world has Mongolian DNA?

An international group of geneticists studying Y-chromosome data have found that nearly 8 percent of the men living in the region of the former Mongol empire carry y-chromosomes that are nearly identical. That translates to 0.5 percent of the male population in the world, or roughly 16 million descendants living today.

Can white babies have Mongolian blue spots?

How common are they? According to a 2013 review , slate gray nevi affect about 10% of white babies, 50% of Hispanic babies, and 90–100% of Black and Asian babies.

Is Mongolian blue spot rare?

Mongolian blue spots are very common birthmarks seen in newborns. They are now called dermal melanocytosis, though you may also see the terms congenital dermal melanocytosis, lumbrosacral dermal melanocytosis, or slate gray nevus/nevi.

Do Native American babies have Mongolian spots?

A Mongolian spot is a normal bluish-green or bluish-gray flat birthmark. They occur in over 90 percent of Native American, Asian, Hispanic, and African American babies. They are also seen in 10 percent of Caucasians, especially those of Mediterranean descent. They occur most commonly over the back and buttocks.

What are Mongolian facial features?

Most of the Mongolians in Hulunbuir league are characterised by straight hair, forehead hair-ledge point absence, eyefold eyelid, Mongoloid fold appearance, shovel-shaped front teeth, straight nose, wide nostril, free ear lobe, non-projecting chin.

Are the Chinese are of Mongolian origin?

According to Chinese historical records, Mongols descended from the single lineage of Xianbei, who was defeated by Xiongnu. However, Mongols are a different ethnic group from the Chinese.

What are Mongolian blue spots now called?

Congenital dermal melanocytosis (formerly called Mongolian blue spots) are a type of birthmark. The term congenital dermal melanocytosis refers to one or more birthmarks. They are flat blue or blue/grey spots with an irregular shape that commonly appear at birth or soon after.

Is Mongolian a race or ethnicity?

The Mongols (Mongolian: Монголчууд, ᠮᠣᠩᠭᠣᠯᠴᠤᠳ, Moŋğolçuud, [ˈmɔɴ. ɢɔɬ. t͡ʃot]; Chinese: 蒙古族; Russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal member of the large family of Mongolic peoples.

What is a rare birthmark?

Very occasionally, some are caused by gene mutations. For example, some babies born with a type of birthmark called port-wine stains (because they look similar to a splash of wine) may have a rare condition called Klippel-Trenaunay syndrome. This condition is caused by a genetic mutation that isn't generally inherited.

What kind of birthmark is rare?

Nevus Sebaceous

"This type of birthmark is very rare but it is important because it has a high risk of developing into basal cell skin cancer. It is one of the few birthmarks that may be surgically removed at an early age to prevent it from becoming cancerous," says Miller.

What is a diamond birthmark?

As a result of this natural process, most diamonds possess slight imperfections on their surface (blemishes) or inside the diamond (inclusions). These characteristics can be seen as the diamond's fingerprint or birthmark because they make each diamond unique from the next.

What causes a blue baby to be born?

Infant methemoglobinemia is also called “blue baby syndrome.” It is a condition where a baby's skin turns blue. This happens when there is not enough oxygen in the blood. Parents should immediately contact a physician if baby's skin is unusually bluish in color.

Are Koreans and Mongolians related?

Both analyses demonstrated genetic evidence of the origin of Koreans from the central Asian Mongolians. Further, the Koreans are more closely related to the Japanese and quite distant from the Chinese.

Who has the most ancient DNA?

A genetic analysis of long-extinct Siberian mammoths has nearly doubled the record for the oldest DNA yet sequenced. The genetic material, from a creature that roamed frozen lands some 1.2 million years ago, pushes the study of ancient DNA closer to its theoretical limit—and reveals a new lineage of mammoth.