Literal question
Since the last time we visited your household [since round 2] have any individuals joined your household for an extended period? Have there been any children who have come to stay with you, or have there been any newborn children?
Question post text
Ask explicitly about newborn children. Sit down with the respondent and go through all individuals listed on Round 2 Household Roster.
Include children from Section 2 - but keep same ID code for these children.
If answer is 2 > Go to Section 4 (hhroster_4a - name of dataset).