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Table 1 Prerandomization inclusion and exclusion criteria

From: What is the impact of mother’s bed incline on episodes of decreased oxygen saturation in healthy newborns in skin-to-skin contact after delivery: Study protocol for a randomized controlled trial

Prerandomization inclusion criteria
Women who meet the following criteria at the start of labor are considered candidates:
 (a) pregnant with a single fetus
 (b) monitored or partially monitored pregnancy (women who underwent ultrasonography at week 20 of their pregnancy but not during the first or third trimester or who did not undergo all trimester laboratory tests)
 (c) pregnancy proceeding normally or with mild disease (gestational diabetes treated exclusively with diet or arterial hypertension [with no diagnosis of preeclampsia] controlled with a single drug)
 (d) end of pregnancy at full term (37+ 0–41+ 6 gestational age)
 (e) temperature at start of labor ≤ 38 °C
 (f) presence of companion during the 2 h after delivery
 (g) mother’s wish for SSC
Prerandomization exclusion criteria
We excluded pregnant women before the randomization who met one or more of the following criteria:
 (a) consumption during pregnancy of tobacco, alcohol, drugs, or medication with sedative effects (opioids, antiepileptic drugs, antipsychotics, anxiolytics, hypnotics, antidepressants, and plants with sedative effects)
 (b) non-mild disease during pregnancy
 (c) prenatal diagnosis of chromosomal disorders or major malformation
 (d) prenatal diagnosis of intrauterine growth retardation with any degree of flow impairment, as well as an “abnormal” fetal size for gestational age (due to malformation, intrauterine infection, etc.)
 (e) lack of companion during the first 2 h postpartum