What is Cleft lip and cleft palate?
{{Infobox medical condition (new) | name = Cleft lip and palate | image = Cleftlipandpalate.JPG | image_size = 220px | caption = Child with cleft lip and palate | field = [[Oral and Maxillofacial Surgery]], [[Otorhinolaryngology]], [[pediatrics]] | synonyms = Hare-lip, cleft lip and palate | symptoms = Opening in the upper lip that may extend into the nose or [[palate]]<ref name=CDC2014/> | complications = Feeding problems, speech problems, hearing problems, frequent [[otitis media|ear infections]]<ref name=CDC2014/> | onset = Present at birth<ref name=CDC2014/> | duration = | types = | causes = Usually unknown<ref name=CDC2014/> | risks = [[Smoking and pregnancy|Smoking during pregnancy]], [[Diabetes mellitus and pregnancy|diabetes]], [[obesity]], [[advanced maternal age|older mother]], certain [[Drugs in pregnancy|medications]]<ref name=CDC2014/><ref name=Wat2014>{{cite journal | vauthors = Watkins SE, Meyer RE, Strauss RP, Aylsworth AS | title = Classification, epidemiology, and genetics of orofacial clefts | journal = Clinics in Plastic Surgery | volume = 41 | issue = 2 | pages = 149–63 | date = April 2014 | pmid = 24607185 | doi = 10.1016/j.cps.2013.12.003 }}</ref> | diagnosis = | differential = | prevention = | treatment = Surgery, [[speech therapy]], dental care<ref name=CDC2014/> | medication = | prognosis = Good (with treatment)<ref name=CDC2014/> | frequency = 1.5 per 1000 births ([[developed world]])<ref name=Wat2014/> | deaths = 3,800 (2017) }} A '''cleft lip''' is a [[birth defect]]. It is an opening in the [[upper lip]] that can expand into the nose. The opening may be on one side, both sides, or in the middle. A '''cleft palate''' happens when the [[palate]] has an opening into the [[nasal cavity|nose]]. The disorder can result in feeding problems, speech problems, hearing problems, and frequent [[otitis media|ear infections]]. Less than half the time the condition is connected with other