Table 2.

Characteristics of 327 adolescents booked for antenatal care at Amparo Maternal Maternity, São Paulo (2005–2009)

Characteristic	Value
Age, years
Range	12–19
Mean (SD)	17.3 (1.5)
<16	47 (14.4)
Currently in school	87 (26.6)
<8 years education	198 (60.7)
Currently employed	77 (23.6)
Age at menarche, years
Range	7–17
Mean (SD)	12.1 (1.6)
Age at first sexual intercourse, years
Range	9–19
Mean (SD)	15.0 (1.7)

SD, standard deviation. All values expressed as N (%) unless otherwise stated.