Mongolian Spots, what are they?!

Savannah - posted on 12/17/2009 ( 22 moms have responded )

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my son has, what my friend calls, a Mongolian spot right above his butt. what exactly are they?!

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Beth - posted on 12/30/2012

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2 of my 3 kidos have them. My son who is almost 3 (in march) has them on his lower back and all over his bottom he also has a dark line that goes right down the center of his back from the nap of his neck to the crack of his bottom. My daughter who is 3 months old has one above her belly button and right smack dab on her vagina, she also has the dark line but hers is on her front side, it goes from her chest right down the center to the start of her vagina its weird but the doc says its normal and it happens alot not to worry.

Lavet - posted on 01/04/2010

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Its just a birth mark. Its most common in African-Americans, East Africans, Polynesians, Native Americans, and East Asians. It normally disappears three to five years after birth and almost always by puberty.

Catherine - posted on 12/26/2012

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I was born with a Mongolian mark my father is argentine and my mother is Irish German . My father was also born with one. I have no remnants of a mark nor does he. And to my knowledge my entire butt and half my back was covered. No side effects or mental issues.

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TALITHA - posted on 02/24/2014

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My 17 month old son has an extremely prominent Mongolian mark all the way from both shoulders to the bottom of his butt. My husband and I are both half native American. My grandma says all native babies get them, all if us kids had them. I think its something to be proud of, a badge of honor for your heritage! I am positive there is no harm that goes along. I do wish to know the real explanation for it since its common in ethnic babies, especially native and Asian, plus black and Hispanic.

Cyndi - posted on 10/02/2012

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I have three children. Only my youngest has it she is not bi-racial at all the Dr. said that less then 12% of white people get them. The first Dr I saw about it told me that kids with them often develop mental and physical problems later on in life but after extensive research on line and another Dr I found that no she wont but that thought is always in the back f my mined it scares me. She in now 3 and it has not gone away I'm just hopping for the best.

Angela - posted on 01/04/2010

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Its just a birth mark. They tend to look like a bruise and are very common in people of African American ethnicity. They also can grow with the person.

LaKieta - posted on 01/03/2010

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Isabelle has them also. We were told they are just birth marks that may go away but had to be documented at birth... just in case.

Jaime - posted on 01/02/2010

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I have a 2 week old baby boy, I'm white and Daddy is black. He has a slightly darker, bruised looking lowerback/bottom which I know is a MS, as expected.

Anyways, he was a very large baby (10 lb 15 oz) and I delivered naturally, but he came out with his hand up alongside his face. For nearly 2 weeks I thought that the top of his hand was bruised but I noticed the other day that his other hand is the same, so I'm assuming he has the Mongolian Spots on his hands also, as they aren't fading and are definitely not bruises.

Stefanie - posted on 01/02/2010

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My Daughter had these and they were bright blue when she was born and I am black her father is white and she is very very fair skinned so ppl would ask me if I was beating my child...I know what they are so i was able to explain them to the ppl...I ask my pediatrician if they will go away but she says not likely...from what I know they are very common among black and indian babies but as the pigment kicks in from our skin the mongolian spots fade, but if you are a bi-racial baby and depending on how light the baby is they may or may not fade as the child gets older and their skin gets some color in them....

Kylie - posted on 01/02/2010

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both my girls had them, the eldest had a small one above her butt buts its disappeared now (she's almost 4), and the youngest is 9months and she has them all over her back there are 4 small ones just above her hip which look like bruises from fingers (i have been questioned twice-once from her childcare and once from a friend who works for child protection)...

Janessa - posted on 12/30/2009

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My son had them and my sister in law who is white and her step father who is itlian her brothers had them and there are itlian and white mix explian that one lol.

Caty - posted on 12/27/2009

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my son has them over his butt and basically over his body mostly his back and a little on his shoulders.. the doctors told me there is nothing wrong witht them, that they are basically birth marks but will lighten as the child gets older.. some will actually go away.. and that it is very common in mixed babies.. the docs made sure to document it in case anyone else sees it no one will accuse me of beating my baby which i appreciate alot.. so i suggest that you get you doc to document the spots to.

Gabrielle - posted on 12/26/2009

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One of my twin daughters has them all over her back. They cover her back completely, so when people see it, they look like bruises and I am constantly having to explain what they are.

Rhiannon - posted on 12/23/2009

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My daughter had one just at the top of her bottom. I am white Australian and her father Filipino. The nurse told me that it is common in mixed race children and will fade with time. It was gone by the time she turned 18 months. My second daughter doesn't have one... to be honest i thought it was a bruise she must have got from the birth and i didn't understand why it wouldn't go away. The home visit nurse found it very amusing

Denise - posted on 12/21/2009

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My son has one also. According to my doc, it is a birthmark that looks like a bruise that is found on the butt of babies of east asian decent. When the British invaded that part of the world, and discovered the common birthmark, they kindly named it a "Mongolian Spot". Anyway, it typically disappears (or blends into the skin tone) by age 5 or 7. My doc recommended that I let any daycare/preschool providers know about the birthmark just so no one would think I was abusing my son. I guess mistake is known to occur.

Amber - posted on 12/21/2009

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My son has a big one as well right on his butt. I used to work in child protection and know that you just need to make sure that your child's dr. documents it in their medical records and if anyone ever accuses you of anything you can always get a letter from their dr.

Dawn - posted on 12/21/2009

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My daughter was born with one. They are very common in mixed children and african american children. They will disappear over time. Mostly by 3 years.

Tammy - posted on 12/20/2009

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Our son had a huge one on his little hiney and it went up on his lower back when born. It is very common with all darker skin types, per our Ped. It will lighten over time. Our sons is already starting to appear much lighter.. he will be two in Jan.

Laura - posted on 12/19/2009

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my daughter has the same thing.. its commen in mixed children.. thats all my dr said.. nothin bad

Michelle - posted on 12/18/2009

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My oldest son, and my daghter both had this, my youngest did not. I do know it mostly happens with mixed children, specailly if there is anytype of black mixture in them.
I always thought it was the skin trying to mix, lol I know my friends son had one(now 15) and back then not to many Doctors new what it was and the called DCF on her, luckly the found another Doctor, that delt with alot of mixed children and was able to explain what it was.

Patricia - posted on 12/17/2009

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My son was born with it too. It's a blue-black spot appearing in the skin on the buttocks area this is a result of a cluster of melanocytes in the dermis your deep skin the fleshy part. Melanocytes are what gives us our pigment. Other clusters that we know well are moles. The light scattering effect of the top layer of skin causes it to appear blue. It often disappears around age 3-5 years.

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