Figure 3. A flow diagram detailing how each of the 1,222 pregnancies from 611 mothers with two eligible pregnancies were coded as ‘keep’ or ‘drop’ in variable mz005k in Table 2.

^a Note that there are nine mothers with two pregnancies where the G1 children from both core pregnancies were not alive at 1 year of age. For these pregnancies, one pregnancy was randomly coded as ‘2’ (keep’) and the other as ‘1’ (‘drop’).