What is the most suitable measure for spacing between births?

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) pp. 186-188, 185-187
E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart B (pp 276-535 of 550) p. 37-39
Practise the full MP CHO -2021 (Shift 1st)
Attempt every question from this paper in a timed mock, then review the full solution for each one.