Higher rates of firstborn births, women receiving no prenatal care, those who smoked during pregnancy, and mothers with lower educational attainment, all characteristics associated with poor birth outcomes, were seen among the poor birth outcomes subgroups compared to all births (Table 1).
Weak associations of at least a 10% increase in risk of fibroids were also noted for being firstborn, low birth weight (< 2,500 g), and reporting maternal pregnancy-related hypertension or preeclampsia.
When further adjusted for childhood socioeconomic status, whether firstborn, and birth weight SD score, it was 1.59 (Fig. 1); with further adjustment for maternal BMI in late pregnancy, it was 1.72 (95% CI 1.03 1.69).
So did the BBC's use, during the vigil outside the hospital wing, of archive photographs of Diana and Prince Charles emerging from the Lindo wing with William, their firstborn, after his birth in June 1982.
A much larger retrospective study of 18,259 firstborn singleton live births took place in two rural regions of Taiwan which had low and high (up to 3.59 mg/L) water As concentrations (Yang et al. 2003).
To examine the effectiveness of sibling preparation classes to facilitate the adjustment of a firstborn child to the birth of a sibling.
I studied nursing, midwifery and subsequently, when I was later pregnant, I breathed deeply through the 12-hour experience of birthing my firstborn son.
Only firstborn children with singleton births and German-speaking parents were enrolled in the study.
Subsequent births had a lower likelihood of SGA birth than firstborns.
Proportions of multiple births and firstborn infants were higher in the preterm groups compared with term groups.
