What is the most common problem (Most common) found worldwide during pregnancy?

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 21-23
E6 Nutrition Kumud Khanna 2e p. 96-98
Practise the full MP CHO -2019 (Shift-1)
Attempt every question from this paper in a timed mock, then review the full solution for each one.