Figure 1. Participation flowchart.
Flow chart demonstrating the number of women who expressed interest in participating in the study, those who were recruited to participate and those that were included in the analysis.
#The 113 who were not recruited were those who: did not have screening, were over 26 weeks gestation, did not speak English, decided not to participate, lost the infant, or were not contactable.
*26 women were excluded from analyses due to ineligibility as a result of completing one or fewer time points after 24 weeks gestation. US = ultrasound, SS = serum screening.