<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, nulliparity, conic section, assisted reproduction, pre-pregnancy body mass index, and in pregnancy: smoking and alcohol consumption.</p
<p>Reference level is the lowest quintile. <i>P</i>-values in parenthesis are for induced- and spont...
<p>Model 1: the results were adjusted for caesarean section (yes or no), maternal age (<25, 25–30, 3...
Crude and adjusted analysis. Adjusted for parity, age of mother, pre-pregnancy BMI, smoking during p...
<p>* Adjusted for maternal age at time of conception.</p><p>** Adjusted for maternal age at time of ...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, pari...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, pari...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, coni...
(A) Crude hazard ratios. (B) Hazard ratios adjusted for maternal variables (age, skin color, educati...
*<p>Adjusted for maternal age, maternal height, maternal education, smoking, family income, and mate...
<p>The odds ratios were adjusted for child sex, parity, birth weight, gestational age at birth, mate...
We examined the association between occupational lifting during pregnancy and risk of fetal death an...
$<p>Adjusted for maternal age, socio-economic level, smoking and gravidity.</p>*<p>p<0.001.</p>#<p>p...
<p>The relative risk of preterm birth for women with zero, one, two, or three or more previous abort...
<p>M1: Model 1, the results were adjusted for caesarean section (yes or no), maternal age (<25, 25–3...
<p>CI, confidence interval; <sup>a</sup>adjusted for age; <sup>b</sup>additionally adjusted for soci...
<p>Reference level is the lowest quintile. <i>P</i>-values in parenthesis are for induced- and spont...
<p>Model 1: the results were adjusted for caesarean section (yes or no), maternal age (<25, 25–30, 3...
Crude and adjusted analysis. Adjusted for parity, age of mother, pre-pregnancy BMI, smoking during p...
<p>* Adjusted for maternal age at time of conception.</p><p>** Adjusted for maternal age at time of ...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, pari...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, pari...
<p>* Adjusted for maternal age at conception.</p><p>** Adjusted for maternal age at conception, coni...
(A) Crude hazard ratios. (B) Hazard ratios adjusted for maternal variables (age, skin color, educati...
*<p>Adjusted for maternal age, maternal height, maternal education, smoking, family income, and mate...
<p>The odds ratios were adjusted for child sex, parity, birth weight, gestational age at birth, mate...
We examined the association between occupational lifting during pregnancy and risk of fetal death an...
$<p>Adjusted for maternal age, socio-economic level, smoking and gravidity.</p>*<p>p<0.001.</p>#<p>p...
<p>The relative risk of preterm birth for women with zero, one, two, or three or more previous abort...
<p>M1: Model 1, the results were adjusted for caesarean section (yes or no), maternal age (<25, 25–3...
<p>CI, confidence interval; <sup>a</sup>adjusted for age; <sup>b</sup>additionally adjusted for soci...
<p>Reference level is the lowest quintile. <i>P</i>-values in parenthesis are for induced- and spont...
<p>Model 1: the results were adjusted for caesarean section (yes or no), maternal age (<25, 25–30, 3...
Crude and adjusted analysis. Adjusted for parity, age of mother, pre-pregnancy BMI, smoking during p...
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