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. 2007 May 15;64(4):510–516. doi: 10.1111/j.1365-2125.2007.02901.x

Table 5.

Mean birth weight and gestational age at delivery (±SD), the rate of low birthweight newborns and preterm births in males and females born to mothers with or without treatment with ergotamine drops

Birth weight (g) Gestational age (weeks) Low birthweight newborns Preterm births
Treated Untreated Comparison Treated Untreated Comparison Treated Untreated Comparison Treated Untreated Comparison
Study groups Mean SD Mean SD t P Mean SD Mean SD t P n % n % POR (95% CI) n % n % POR (95% CI)
Male 3079 693 3324 513 2.1 0.03 38.4 3.1 39.4 2.0 1.9 0.06 6 16.2 1232 5.0 3.7 (1.5, 8.8) 7 18.9 2062 8.3 2.6 (1.1, 5.8)
Female 3081 489 3187 494 0.9 0.36 39.0 1.7 39.3 2.1 0.4 0.66 3 16.7 926 7.0 2.7 (0.8, 9.2) 2 11.1 1425 10.7 1.0 (0.2, 4.5)
The onset of treatment after:
first trimester 2961 681 3276 511 2.6 0.01 38.3 3.0 39.4 2.0 2.0 0.05 6 19.4 2161 5.7 4.0 (1.6, 9.7) 6 19.4 3490 9.2 2.4 (0.9, 5.8)
second trimester 2781 740 3276 511 3.0 0.007 37.9 3.5 39.4 2.0 1.9 0.07 6 30.0 2161 5.7 7.1 (2.7, 18.4) 5 25.0 3491 9.2 3.3 (1.2, 9.1)

Bold numbers show significant associations.