A cleft palate, or orofacial cleft, is a birth defect that occurs when the tissue forming the roof of the mouth does not form properly, according to the Centers for Disease Control and Prevention. The front, back, or bot... More »

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Cleft lips and palates usually occur very early in fetal development. It happens when there is not enough tissue to join together or if the tissues simply do not join together correctly, reports WebMD. Cleft palate occur... More »

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Although in many cases the exact cause of cleft lip palate is not entirely known, experts believe that underlying factors like genetics, environment and exposure to certain toxins may play a role in this condition, expla... More »

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Trisomy 21 is another name for Down syndrome, a birth defect affecting chromosome number 21, according to the Centers for Disease Control and Prevention. A person normally has 23 pairs of chromosomes for a total of 46. T... More »

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The exact causes of orofacial clefts are unknown, but experts believe that both genetics and environmental factors contribute, according to the Centers for Disease Control and Prevention. Gene mutations and the mother's ... More »

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HPV, or human papillomavirus, is an STD that normally affects the genital region, but can also infect the throat and mouth, according to the U.S. Centers for Disease Control and Prevention. When it infects the throat or ... More »

Babies up to 6 months old often have vitamin K deficiency because their bodies contain very little vitamin K at birth, their intestinal bacteria are as yet unable to produce it, and they don't receive enough of it from b... More »

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