You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

Abstract Objectives To determine the outcomes of infants born at less than 29 weeks’ gestation , obstetric abnormalities , and the social and familial repercussions of this prematurity . Material and methods We retrospectively studied 28 infants , born at less than 29 weeks’ gestation , referred to the Early Healthcare Program of the Cantabrian Government between January 2002 and June 2006 . Results The main causes of prematurity in this group were chorioamnionitis , placental abruption , and preterm labor . Of the infants studied , 28 .57% had a disability . Severe mental retardation and cerebral palsy was found in 37% and moderate mental retardation in 24% . Bilateral hypacusis , respiratory alterations and mild mental retardation were found in the remainder . The main social repercussions were a change in family roles , negative economic effects , and heavy emotional burden . Conclusions A total of 28 .57% of the infants studied had a recognized disability . No predominant obstetric abnormality was identified . However , the social and familial repercussions were substantial .
Severe mental retardation
cerebral palsy
moderate mental retardation
Bilateral hypacusis
mild mental retardation