A 4-hour-old child with a cleft lip is successfully nursing. The baby was delivered vaginally following a straightforward pregnancy and delivery. At 20 weeks gestation, routine prenatal sonography revealed no abnormalities. Physical examination reveals a palate that is intact and a unilateral cleft lip on the left side. There are no additional abnormalities found. Which of the following intrauterine procedures failed to result in this child's cleft lip?

Question

Quizplus · Accepted Answer

Eductional Objective: When the maxillary prominence fails to fuse with the intermaxillary segment during the fifth-sixth week of embryonic development, it results in cleft lip. When the palatine shelves fail to merge with one another or with the main palate, it results in cleft palate. Cleft lip and palate can develop concurrently or separately.

A 4-Hour-Old Child with a Cleft Lip Is Successfully Nursing