in evaluating the outcome of pregnancies in patients not at high risk for preterm delivery ( ordinary risk patients ) we found that patients who received instruction to recognize early signs of preterm labor had babies with a higher birthweight ( 3255 +/- 548 gm ) than patients who were not so instructed ( 3200 +/- 599 gm , p = 0.03 ) .
C0151526
preterm
C0022876
preterm labor