Intro and Diversity

Question 1

What are some beliefs associated with cleft lip and palate?

Answer 1

Solar eclipse in pregnancy (mexico), eating rabbit during pregnancy (China), dead relatives reincarnated, hippo delivered to humans by mistake (Africa), act of god, devil, witchcraft (various), special powers, revered (mayan)

Question 2

What is the scientific basis for clefts?

Answer 2

Top 2: chromosome disorders, genetic disorders. Also: teratogens, mechanical causes

Question 3

What is the incidence of cleft lip/plate in US?

Answer 3

7000 children born each year

Question 4

General statistics for cleft lip/palate

Answer 4

1/594

Question 5

Native american for cleft lip/palate

Answer 5

1/267

Question 6

Caucasion for cleft lip/palate

Answer 6

1/800

Question 7

African American for cleft lip/palate

Answer 7

1/2000

Question 8

Gender differences in CL/P

Answer 8

Cleft lip with or without cleft palate: Two
times more common in males.
◼ Cleft palate only: 1.5 to 2 times more
common in females.
◼ All clefts considered: More frequent in
boys by 3:2

Question 9

Occurence of CL/P by type

Answer 9

• -25% lip and alveolus
• -25% palate only
• -50% lip and palate
• -75% of lip clefts are left sided
• -5% of cleft lips are lip only
• -unilateral more common than bilateral