Q1. In a cohort of 500 women attending antenatal clinic, 70 % had ultrasonography (USG). This cohort was followed up at delivery. Of the women who had USG, 70 delivered low birth weight (LBW) babies, whereas of the women who did not undergo USG, 50 delivered LBW babies. The incidence of LBW babies among women who had USG is:
- 10 %
- 15 %
- 20 %
- 25 %
Answer & explanation — reveal it in the interactive practice above.
PYQ 2020–2025 — page 60