In more women in the NG group , delivery was postponed for 2h ( 59 ( 98.3 % ) vs 48 ( 80 % ) , P = 0.001 ) , for 48h ( 52 women ( 86.7 % ) vs 41 ( 68.3 % ) , P = 0.016 ) and also for 7 days ( 47 ( 78.3 % ) vs 37 ( 61.7 % ) , P = 0.046 ) , than the women in the nifedipine group .