Non-smokers

Smokers

pº

Number of subjects

107

67

Maternal age (years)

29 ± 5

27 ± 6

NS

Number of gravidities

2.1 ± 1.1

2.3 ± 1.9

NS

Parity

1.7 ± 0.9

2 ± 1.7

NS

Spontaneous abortions

0.19 ± 0.4

0.2 ± 0.4

NS

Extrauterine gravidities

2

0

NS

Gestational age

40 ± 1

40 ± 1

NS