in singleton pregnancies the gestational length and birth weight of the newborn infants were greater in the steroid treatment group ( n = 23 , 39.1 +/- 0.3 weeks , 3,460 +/- 119 gm ) than in the ritodrine group ( n = 24 , 37.7 +/- 0.4 weeks , 3,106 +/- 118 gm ) .
C0032961
pregnancies
C0035661
ritodrine