a.

is associated with an increased risk of breech presentation.

b.

is associated with uterine anomaly.

c.

asymptomatic bacteruria is a proven risk factor.

d.

is associated with genital tract infection.

e.

is associated with cigarette smoking.

f.

tocolytic therapy is of proven value.

g.

glucocorticoid therapy should be considered for patients < 34 weeks.